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ILL Policies

Recommended IFLS Policies for ILL–Library as Borrower

Interlibrary Loan (ILL) is defined as items borrowed from another library and circulated locally. The following policies may not apply to items borrowed through your shared system.

Too New for ILL?

IFLS will not refer requests for materials published/released in the last six months outside of the IFLS system.


Requests are at the discretion of the lender. Many libraries will renew if you request via WISCAT or call directly. IFLS can renew materials from MORE libraries.

Overdue Fines

Charge the same fines that you would charge for in-house materials.

Lost Materials

The Borrowing Library is always responsible for the cost of borrowed ILL materials. Actual cost for lost materials is billed by the lending library. Contact the lending library.


If keeping paper files, consider filing pending interlibrary loan requests by title. If materials are received with no paperwork, the requests will be easier to find.

Recommended IFLS Policies for ILL — Library as Lender

For the following lending policies, Interlibrary Loan (ILL) is defined as items lent to another library outside of your shared system. [Due to pandemic, we have extended the loan period to 49 days for all materials to help with slower turnaround times.]

Loan Periods

  • 35 Days – All circulating materials
  • 28 Days – All renewals

Overdue Fines

Other libraries not charged fines per National ILL Code.


At lending library’s discretion.

State ILL Policies

2021 Wisconsin Interlibrary Loan Guidelines 

National ILL Policies

Interlibrary Loan Code for the United States With Explanatory Text (revised 2023)