SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-8A NOTIFICATION OF REGISTRATION FILED PURSUANT TO SECTION 8(a) OF THE INVESTMENT COMPANY ACT OF 1940 The undersigned investment company hereby notifies the Securities and Exchange Commission that it registers under and pursuant to the provisions of Section 8(a) of the Investment Company Act of 1940, and in connection with such Notification of Registration submits the following information: Name: MUNI INTERMEDIATE DURATION FUND, INC. Address of Principal Business Office (No. & Street, City, State, and Zip Code): 800 Scudders Mill Road Plainsboro, New Jersey 08536 Telephone Number (including area code): (609) 282-2800 Name and Address of Agent for Service of Process: Terry K. Glenn 800 Scudders Mill Road Plainsboro, New Jersey 08536 Mailing Address: P.O. Box 9011 Princeton, New Jersey 08543-9011 Check Appropriate Box: Registrant is filing a Registration Statement pursuant to Section 8(b) of the Investment Company Act of 1940 concurrently with the filing of Form N-8A: YES |X| NO |_| SIGNATURES Pursuant to the requirements of the Investment Company Act of 1940, the Registrant has caused this Notification of Registration to be duly signed on its behalf in the Township of Plainsboro, State of New Jersey on the 16th day of May, 2003. MUNI INTERMEDIATE DURATION FUND, INC. By: /s/ Brian D. Stewart ----------------------------------------------- Name: Brian D. Stewart Title: President Attest: /s/ David Clayton --------------------------- Name: David Clayton Title: Secretary 2