The library declared an 'amnesty' from fines for all books that are returned on Thursday.
Illegal immigrants who came into the country before 1982 were granted/given 'amnesty'.
The government gave/granted a general 'amnesty' to/for all political prisoners.
(..) and the financial burden of an ever mounting series of lawsuits, the government quietly initiated the superhero relocation program. The supers were granted amnesty from responsibility for past actions, in exchange for the promise to never again resume hero work. Where are they now? (..)2004 The Incredibles