UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-06591 Morgan Stanley Quality Municipal Income Trust (Exact name of registrant as specified in charter) 1221 Avenue of the Americas, New York, New York 10020 (Address of principal executive offices) (Zip code) Ronald E. Robison 1221 Avenue of the Americas, New York, New York 10020 (Name and address of agent for service) Registrant's telephone number, including area code: 212-762-4000 Date of fiscal year end: October 31, 2005 Date of reporting period: July 31, 2005 ITEM 1. SCHEDULE OF INVESTMENTS. The Trust's schedule of investments as of the close of the reporting period prepared pursuant to Rule 12-12 of Regulation S-X is as follows: MORGAN STANLEY QUALITY MUNICIPAL INCOME TRUST PORTFOLIO OF INVESTMENTS July 31, 2005 (unaudited) PRINCIPAL AMOUNT IN COUPON MATURITY THOUSANDS RATE DATE VALUE --------------------------------------------------------------------------------------------------------------------------------- TAX-EXEMPT MUNICIPAL BONDS (148.7%) General Obligation (26.5%) $5,000 California, Various Purpose dtd 05/01/03 5.25 % 02/01/19 $5,420,600 4,000 Los Angeles, California, Ser 2004 A (MBIA) 5.00 09/01/24 4,250,440 2,700 Adams & Arapahoe Counties Joint School District # 32, Colorado, 5.125 12/01/21 2,926,989 Ser 2003A (FSA) 3,500 Denver School District # 1, Colorado, Ser 1999 (FGIC) 5.25 12/01/16 3,823,015 4,000 Florida Board of Education, Capital Outlay Refg 2002 Ser C (MBIA) 5.00 06/01/20 4,277,960 Hawaii, 5,000 1992 Ser BZ 6.00 10/01/10 5,614,100 8,000 1992 Ser BZ 6.00 10/01/11 9,098,720 5,000 Honolulu City & County, Hawaii, ROLS RR II R 237-3 (MBIA) 8.046+++ 03/01/26 5,712,800 10,000 Chicago, Illinois, Neighborhoods Alive 21 Ser 2001 A (FGIC) 5.50 01/01/36 10,856,200 4,000 Cook County, Illinois, Ser 1992 C (FGIC) 6.00 11/15/09 4,434,000 6,000 llinois, First Ser 2002 (MBIA) 5.375 07/01/20 6,566,460 2,000 Schaumburg, Illinois, Ser 2004 B (FGIC) 5.25 12/01/34 2,161,540 10,000 Indiana Bond Bank, Revolving Fund Ser 2001 A 5.00 02/01/23 10,534,300 1,000 New York City, New York, 2005 Ser G 5.00 12/01/23 1,050,570 Pennsylvania, 5,000 First Ser 2003 RITES PA - 1112 A (MBIA) 6.996+++ 01/01/18 5,751,250 5,000 First Ser 2003 RITES PA - 1112 B (MBIA) 6.996+++ 01/01/19 5,941,950 2,000 Charleston County School District, South Carolina, Ser 2004 A 5.00 02/01/22 2,130,380 5,000 South Carolina Public Service Authority, Refg Ser 2002 D (FSA) 5.00 01/01/20 5,340,700 5,000 Northside Independant School District, Texas, Bldg & Refg Ser 5.00 02/15/26 5,174,650 2001 (PSF) 2,000 King County, Washington, Refg 1998 Ser B (MBIA) 5.25 01/01/34 2,099,420 2,500 Spokane School District #81, Washington, Ser 2005 (MBIA) 0.00# 06/01/23 2,195,100 ------ ----------- 96,700 105,361,144 ------ ----------- Educational Facilities Revenue (6.7%) 3,700 University of Alabama, Ser 2004-A (MBIA) 5.25 07/01/22 4,033,925 Boulder County, Colorado, 1,750 University Corp for Atmospheric Research Ser 2002 (MBIA) 5.375 09/01/18 1,930,670 1,750 University Corp for Atmospheric Research Ser 2002 (MBIA) 5.375 09/01/21 1,918,683 2,000 Colorado Educational & Cultural Facilities Authority, Peak to Peak 5.25 08/15/34 2,140,320 Charter School Refg & Impr Ser 2004 (XLCA) 2,000 Illinois Educational Facilitiies Authority, Chicago University 5.125 07/01/38 2,052,960 8,000 North Carolina Capital Facilities Finance Agency, Duke University 5.00 10/01/41 8,386,400 Ser A 2,000 Ohio State University, General Receipts Ser 2002 A 5.125 12/01/31 2,105,360 2,000 Pennsylvania State University, Refg Ser 2002 5.25 08/15/14 2,233,160 2,000 Chattanooga Health Educational & Housing, Tennessee, CDFI Ser A 5.125 10/01/35 1,990,720 ----- --------- 25,200 26,792,198 ------ ---------- Electric Revenue (16.3%) 6,000 Salt River Project Agricultural Improvement & Power District, 5.00 01/01/31 6,285,660 Arizona, 2002 Ser B 5,000 California Department of Water Resources, Power Supply Ser 5.75 05/01/17 5,556,150 2002 A 3,300 Jacksonville Electric Authority, Florida, St Johns Power Park Refg 5.00 10/01/18 3,517,734 Issue 2 Ser 17 2,000 Orlando Utilities Commission, Florida, Water & Electric Ser 2001 5.25 10/01/19 2,192,600 2,000 Indiana Municipal Power Agency, Power Supply 2004 Ser A (FGIC) 5.00 01/01/32 2,094,040 2,000 Western Minnesota Municipal Power Agency, 2003 Ser A (MBIA) 5.00 01/01/30 2,095,220 Long Island Power Authority, New York, 4,000 Ser 2003 B 5.25 06/01/13 4,380,720 5,325 Ser 2003 C 5.50 09/01/19 5,835,561 South Carolina Public Service Authority, 3,700 Refg Ser 2002 D (Ambac) 5.00 01/01/20 3,952,599 7,000 Refg Ser 2003 A (Ambac) 5.00 01/01/22 7,437,850 7,000 Energy Northwest, Washington, Columbia Refg Ser 2001 C (MBIA) 5.75 07/01/18 7,853,160 Grant County Public Utility District #2, Washington, 5,000 Electric Refg Ser 2001 H (FSA) 5.375 01/01/18 5,437,450 8,220 Priest Rapids Hydro Second Ser 1992 A 5.00 01/01/23 8,224,439 ----- --------- 60,545 64,863,183 ------ ---------- Hospital Revenue (6.9%) 3,500 Birmingham-Carraway Special Care Facilities Financing Authority, 5.875 08/15/15 3,577,735 Alabama, Carraway Methodist Health Ser 1995 A (Connie Lee) Maryland Health & Higher Educational Facilities Authority, 5,000 University of Maryland Medical Ser 2001 5.25 07/01/28 5,183,650 1,500 University of Maryland Medical Ser 2002 6.00 07/01/32 1,644,165 2,000 Kent Hospital Finance Authority, Michigan, Metropolitan Hospital 6.25 07/01/40 2,211,900 Ser 2005 A 7,000 Michigan State Hospital Financing Authority, McLaren Health Care 5.00 08/01/35 7,167,790 Ser C 2,000 University of Medicine & Dentistry, New Jersey, CTFS Partners 5.25 06/15/23 2,170,400 3,000 Lorain County, Ohio, Catholic Healthcare Partners Ser 2001 A 5.625 10/01/17 3,250,770 2,000 Allegheny County Hospital Development Authority, Pennsylvania, 5.125 04/01/35 2,037,600 ----- Ohio Valley General Hospital Ser 2005 A --------- 26,000 27,244,010 ------ ---------- Industrial Development/Pollution Control Revenue (5.9%) 6,000 California Pollution Control Financing Authority, Keller Canyon 6.875 11/01/27 6,091,200 Landfill Co/Browning-Ferris Industries Inc Ser 1992 (AMT) Golden State Tob Securitization Corp, California, 3,000 Enhanced Asset Backed Ser A 2005 (WI) 5.00 06/01/29 3,129,450 3,000 Enhanced Asset Backed Ser A 2005 (WI) 5.00 06/01/45 3,082,920 5,000 Michigan Strategic Fund, Detroit Edison Co Ser 2001 C (AMT) 5.65 09/01/29 5,264,700 3,000 Brazos River Authority, Texas, TXU Electric Co Ser 1999 C (AMT) 7.70 03/01/32 3,562,170 2,000 Sabine River Authority, Texas, TXU Electric Co Refg Ser 2001 B 5.75 05/01/30 2,144,980 ----- (AMT) (Mandatory Tender 11/01/11) --------- 22,000 23,275,420 ------ ---------- Mortgage Revenue - Multi-Family (1.4%) 5,470 Illinois Housing Development Authority, Ser I 6.625 09/01/12 5,478,314 ----- --------- Mortgage Revenue - Single Family (2.3%) 2,110 Idaho Housing & Finance Association, 2000 Ser E (AMT) 6.00 01/01/32 2,129,792 310 Idaho Housing Agency, 1992 Ser E (AMT) 6.75 07/01/12 310,474 355 Missouri Housing Development Commission, Homeownership Ser 6.25 03/01/31 373,645 2000 B-1 (AMT) 3,885 Montana Board of Housing, 2000 Ser B (AMT) 6.00 12/01/29 3,987,913 2,380 New Jersey Housing Mortgage Finance Authority, Home Buyer Ser 5.875 10/01/31 2,392,400 ----- 2000 CC (AMT) (MBIA) --------- 9,040 9,194,224 ----- --------- Public Facilities Revenue (7.5%) 5,000 Phoenix Industrial Development Authority, Arizona, Capital 5.50 09/15/27 5,433,650 Mall LLC Ser 2000 (Ambac) 2,000 Sacramento Financing Authority, California, City Hall 2002 Ser A 5.00 12/01/32 2,080,300 (FSA) 3,000 Broward County School Board, Florida, Ser 2001 A COPs (FSA) 5.00 07/01/26 3,138,180 4,000 Orange County School Board, Florida, Ser 2001 A COPs (Ambac) 5.25 08/01/14 4,411,000 1,400 Marion County Convention & Recreational Facilities Authority, 5.00 06/01/21 1,473,598 Indiana, Refg Ser 2003 A (AMBAC) 3,000 Albuquerque, New Mexico, Gross Receipts Refg Ser 1999 C 5.25 07/01/17 3,200,400 3,000 Pennsylvania Public School Building Authority, Philadelphia School 5.00 06/01/33 3,135,270 District Ser 2003 (FSA) 4,000 Puerto Rico Public Buildings Authority, Ser J (Ambac) 5.00 07/01/36 4,344,160 (Mandatory Tender 07/01/12) 2,500 Milwaukee Redevelopment Authority, Wisconsin, Ser 2003 A 5.125 08/01/23 2,662,300 ----- (Ambac) --------- 27,900 29,878,858 ------ ---------- Resource Recovery Revenue (1.2%) 1,300 Glendale, Arizona, Industrial Development Authority, Refg 5.00 12/01/35 1,306,695 3,000 Northeast Maryland Waste Disposal Authority, Montgomery County 5.50 04/01/16 3,264,630 ----- Ser 2003 (AMT) (Ambac) --------- 4,300 4,571,325 ----- --------- Transportation Facilities Revenue (29.6%) 3,000 Alaska International Airports, Ser 2002 B (Ambac) 5.25 10/01/27 3,199,860 2,000 Arizona Transportation Board, Highway Refg Ser 2002 A 5.25 07/01/19 2,220,580 3,000 Phoenix Civic Improvement Corporation, Arizona, Airport Ser 2002 5.25 07/01/32 3,142,440 B (AMT) (FGIC) 5,000 California Infrastructure & Economic Development Bank, Bay Area 5.00 07/01/36 5,251,550 Toll Bridges Seismic Retrofit First Lien Ser 2003 A (Ambac) 1,900 Orange County Transportation Authority, California, Toll Road 5.00 08/15/20 2,035,774 Refg Ser 2003 A (Ambac) 4,000 Port of Oakland, California, Ser 2002 L (AMT) (FGIC) 5.00 11/01/32 4,119,880 2,000 Mid-Bay Bridge Authority, Florida, Refg Ser 1993 A (Ambac) 5.95 10/01/22 2,183,500 3,000 Atlanta, Georgia, Airport Ser 2004 J (FSA) 5.00 01/01/34 3,157,620 Georgia State Road & Tollway Authority, 6,000 Ser 2004 5.00 10/01/22 6,423,900 9,000 Ser 2004 5.00 10/01/23 9,613,260 4,000 Chicago, Illinois, O' Hare Int'l Airport 3rd Lien Ser 2003 B-2 5.75 01/01/23 4,431,360 (AMT) (FSA) 6,335 Indiana Transportation Finance Authority, Ser 2000 (FGIC) 5.375 12/01/25 6,847,692 3,000 Wayne County, Michigan, Detroit Metropolitan Wayne County 5.50 12/01/17 3,268,650 Airport Refg Ser 2002 D (AMT) (FGIC) Clark County, Nevada, 4,000 Airport SubLien Ser 2004 A-1(AMT) (FGIC) 5.50 07/01/20 4,381,920 1,000 Jet Aviation Fuel Tax Ser 2003 C (AMT) (Ambac) 5.375 07/01/19 1,074,480 1,100 Jet Aviation Fuel Tax Ser 2003 C (AMT) (Ambac) 5.375 07/01/20 1,180,399 2,000 Jet Aviation Fuel Tax Ser 2003 C (AMT) (Ambac) 5.375 07/01/22 2,136,480 5,000 New Jersey Transportation Trust Fund Authority, 1999 Ser A 5.75 06/15/20 5,865,950 12,000 New Jersey Turnpike Authority, Ser 2003 A (FGIC)++ 5.00 01/01/27 12,653,280 10,000 Metropolitan Transportation Authority, New York, Transportation 5.00 11/15/25 10,591,000 Refg Ser 2002 A (FGIC) Triborough Bridge & Tunnel Authority, New York, 5,000 Refg 2002 E (MBIA) 5.25 11/15/22 5,459,800 6,000 Ser 2001 A 5.00 01/01/32 6,362,160 Houston, Texas, 6,000 Airport Sub Lien Ser 2000 A (AMT) (FSA) 5.875 07/01/17 6,541,260 5,000 Airport Sub Lien Ser 2000 A (AMT) (FSA) 5.625 07/01/30 5,374,600 ----- --------- 109,335 117,517,395 ------- ----------- Water & Sewer Revenue (33.2%) 3,800 Phoenix Civic Improvement Corporation, Arizona, Jr Lien Water Ser 5.00 07/01/26 3,993,648 2002 3,000 East Bay Municipal Utility District, California, Water Ser 2001 5.00 06/01/26 3,123,750 (MBIA) 3,720 San Diego County Water Authority, California, Ser 2002 A COPs 5.00 05/01/27 3,886,210 (MBIA) 3,500 Broward County, Florida, Water & Sewer Utility Ser 2003 (MBIA) 5.00 10/01/24 3,709,440 10,000 Augusta, Georgia, Water & Sewerage Ser 2000 (FSA) 5.25 10/01/30 10,743,700 5,000 Louisville & Jefferson County Metropolitan Sewer District, 5.75 05/15/33 5,498,250 Kentucky, Ser 1999 A (FGIC) 5,345 Las Vegas Vallley Water District, Nevada, Water Improvement 5.25 06/01/20 5,829,898 Refg Ser 2003 A (FGIC) 10,000 Passaic Valley Sewerage Commissioners, New Jersey, Ser F (FGIC) 5.00 12/01/20 10,712,900 3,000 Rio Rancho, New Mexico, Water & Wastewater Refg Ser 1999 5.25 05/15/19 3,196,410 (Ambac) New York City Municipal Water Finance Authority, New York, 3,500 2003 Ser A 5.375 06/15/19 3,851,855 18,000 2001 Ser B 5.00 06/15/26 18,699,479 10,000 2004 Ser A 5.00 06/15/35 10,432,500 4,500 Charlotte, North Carolina, Water & Sewer Ser 2001 5.125 06/01/26 4,768,830 10,000 Austin, Texas, Water & Wastewater Refg Ser 2001 A (FSA) 5.125 05/15/27 10,427,900 15,000 Houston, Texas, Combined Utility First Lien Refg 2004 Ser A (FGIC) 5.25 05/15/23 16,233,150 13,960 San Antonio, Texas, Water & Refg Ser 2001 (FGIC) 5.00 05/15/26 14,466,469 2,000 Fairfax County Water Authority, Virginia, Refg Ser 1992 6.00 04/01/22 2,132,480 ----- --------- 124,325 131,706,869 ------- ----------- Other Revenue (7.4%) 10,000 California Economic Recovery, Ser 2004 A 5.00 07/01/16 10,721,100 2,000 New Jersey Economic Development Authority, Cigarette Tax 5.75 06/15/29 2,145,620 Ser 2004 2,000 New York City Transitional Finance Authority, New York, 5.50 11/01/26 2,205,620 Refg 2003 Ser A 10,000 Tobacco Settlement Financing Corporation, New York, State 5.50 06/01/17 11,005,800 Contingency Ser 2003 B-1C 2,000 Philadelphia, Pennsylvania, Gas Works First Ser 1998 B (FSA) 5.00 07/01/28 2,076,960 1,000 Tobacco Settlement Financing Corporation, Virginia, Asset Backed 5.625 06/01/37 1,055,750 ----- --------- 27,000 29,210,850 ------ ---------- Refunded (3.8%) 5,000 Atlanta, Georgia, Airport Ser 2000 A (FGIC) 5.50 01/01/10+ 5,512,950 3,400 Maine Turnpike Authority, Ser 2000 (FGIC) 5.50 07/01/10+ 3,773,490 5,000 Dauphin County General Authority, Pennsylvania, HAPSO Group 6.25 07/01/16 5,791,400 ----- Inc/The Western Pennsylvania Hospital Refg 1992 Ser A --------- (MBIA) (ETM) 13,400 15,077,840 ------ ---------- 551,215 TOTAL TAX-EXEMPT MUNICIPAL OBLIGATIONS (Cost $553,814,575) 590,171,630 ------- ----------- SHORT-TERM TAX-EXEMPT MUNICIPAL OBLIGATIONS (3.5%) 11,300 Harris County Health Facilities Development Corporation, Texas, 2.26* 12/01/32 11,300,000 Methodist Hospital Ser 2002 (Demand 08/01/05) 2,600 Roanoke Industrial Development Authority, Virginia, Carilion 2.26* 07/01/27 2,600,000 ----- Health System Ser 1997 A (Demand 08/01/05) --------- 13,900 TOTAL SHORT-TERM TAX-EXEMPT MUNICIPAL OBLIGATIONS (Cost $13,900,000) 13,900,000 ------ ---------- $565,115 TOTAL INVESTMENTS (Cost $567,714,575) (a) (b) 152.2% 604,071,630 ======== OTHER ASSETS IN EXCESS OF LIABILITIES 0.3 1,021,768 PREFERRED SHARES OF BENEFICIAL INTEREST (52.5) (208,203,287) ------ ------------- NET ASSETS APPLICABLE TO COMMON SHAREHOLDERS 100.0% $396,890,111 ====== ============ --------------- Note: The categories of investments are shown as a percentage of net assets applicable to common shareholders. AMT Alternative Minimum Tax. COPs Certificates of Participation. ETM Escrowed to maturity. PSF Texas Permanent School Fund Guarantee Program. RITES Residual Interest Tax-Exempt Securities (Illiquid securities). ROLS Reset Option Longs (Illiquid securities). WI Security purchased on a when-issued basis. + Prerefunded to call date shown. ++ A portion of this security has been physically segregated in connection with open futures contracts in the amount of $480,000. +++ Current coupon rate for inverse floating rate municipal obligation. This rate resets periodically as the auction rate on the related security changes. Positions in inverse floating rate municipal obligations have a total value of $17,406,000 which represents 4.4% of net assets applicable to common shareholders. # Currently a zero coupon security; will convert to 5.125% on January 1, 2008. * Current coupon of variable rate demand obligation. (a) Securities have been designated as collateral in an amount equal to $93,493,004 in connection with open futures contracts and the purchase of when-issued securities. (b) The aggregate cost for federal income tax purposes approximates the aggregate cost for book purposes. The aggregate gross unrealized appreciation is $36,412,652 and the aggregate gross unrealized depreciation is $55,597, resulting in net unrealized appreciation of $36,357,055. Bond Insurance: --------------- Ambac Ambac Assurance Corporation. Connie Lee Connie Lee Insurance Company - a wholly owned subsidiary of Ambac Assurance Corporation. FGIC Financial Guaranty Insurance Company. FSA Financial Security Assurance Inc. MBIA Municipal Bond Investors Assurance Corporation. XLCA XL Capital Assurance Inc. Futures Contracts Open at July 31, 2005: DESCRIPTION, UNDERLYING NUMBER OF DELIVERY MONTH FACE AMOUNT UNREALIZED CONTRACTS LONG/SHORT AND YEAR AT VALUE APPRECIATION ---------------- --------------- -------------------------------------- ---------------------- ---------------------- 600 Short U.S. Treasury Note 5 Yr September/2005 $(64,321,878) $959,286 200 Short U.S. Treasury Note 10 Yr September/2005 (22,196,876) 296,324 ---------------------- Total unrealized appreciation......................... $1,255,610 ====================== Geographic Summary of Investments Based on Market Value as a Percent of Total Investments Alabama 1.3% Alaska 0.5 Arizona 3.7 California 9.7 Colorado 2.1 Florida 3.9 Georgia 5.9 Hawaii 3.4 Idaho 0.4 Illinois 5.9 Indiana 3.5 Kentucky 0.9 Maine 0.6 Maryland 1.7 Michigan 3.0 Minnesota 0.3 Missouri 0.1 Montana 0.7 Nevada 2.4 New Jersey 5.9 New Mexico 1.1 New York 13.2 North Calolina 2.2 Ohio 0.9 Pennsylvania 4.5 Puerto Rico 0.7 South Carolina 3.1 Tennessee 0.3 Texas 12.4 Virginia 1.0 Washington 4.3 Wisconsin 0.4 --- Total+ 100.0% ====== ---------- + Does not include open short futures contracts with an underlying face amount of $86,518,754 with unrealized appreciation of $1,255,610. ITEM 2. CONTROLS AND PROCEDURES. (a) The Trust's principal executive officer and principal financial officer have concluded that the Trust's disclosure controls and procedures are sufficient to ensure that information required to be disclosed by the Trust in this Form N-Q was recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms, based upon such officers' evaluation of these controls and procedures as of a date within 90 days of the filing date of the report. (b) There were no changes in the Trust's internal control over financial reporting that occurred during the registrant's fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Trust's internal control over financial reporting. ITEM 3. EXHIBITS. (a) A separate certification for each principal executive officer and principal financial officer of the registrant are attached hereto. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Morgan Stanley Quality Municipal Income Trust /s/ Ronald E. Robison Ronald E. Robison Principal Executive Officer September 20, 2005 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed by the following persons on behalf of the registrant and in the capacities and on the dates indicated. /s/ Ronald E. Robison Ronald E. Robison Principal Executive Officer September 20, 2005 /s/ Francis Smith Francis Smith Principal Financial Officer September 20, 2005 3 EXHIBIT 3 A1 CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER I, Ronald E. Robison, certify that: 1. I have reviewed this report on Form N-Q of Morgan Stanley Quality Municipal Income Trust; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; 3. Based on my knowledge, the schedules of investments included in this report fairly present in all material respects the investments of the registrant as of the end of the fiscal quarter for which the report is filed; 4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) for the registrant and have: (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared; (b) Omitted; (c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of a date within 90 days prior to the filing date of this report, based on such evaluation; and (d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and 5. The registrant's other certifying officer(s) and I have disclosed to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions): (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting. Date: September 20, 2005 /s/ Ronald E. Robison Ronald E. Robison Principal Executive Officer 4 EXHIBIT 3 A2 CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER I, Francis Smith, certify that: 1. I have reviewed this report on Form N-Q of Morgan Stanley Quality Municipal Income Trust 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; 3. Based on my knowledge, the schedules of investments included in this report fairly present in all material respects the investments of the registrant as of the end of the fiscal quarter for which the report is filed; 4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) for the registrant and have: (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared; (b) Omitted; (c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of a date within 90 days prior to the filing date of this report, based on such evaluation; and (d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and 5. The registrant's other certifying officer(s) and I have disclosed to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions): (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting. Date: September 20, 2005 /s/ Francis Smith Francis Smith Principal Financial Officer 5