Following a brief description of the New York State Interlibrary Loan Network (NYSILL), this manual covers the following areas: (1) how requests are referred through the NYSILL network, (2) who may use NYSILL, (3) what materials may be requested under the NYSILL program, (4) what materials may not be requested under the program, (5) how to submit requests, (6) reports on interlibrary loan transactions, (7) policy governing the loan of materials, (8) the NYSILL policy, and (9) the contracting libraries in NYSILL. A directory of NYSILL contracting libraries is also included. (NH)