Note: Do not rely on this information. It is very old.
Indemnity
Indemnity, a written memorandum or undertaking to secure the party to whom it is given from all danger and damage that may ensue from any act or omission of the party giving it. An Act of Indemnity used to be passed by Parliament, annually for relief of those who had neglected to take the necessary oaths of office, etc. [Guarantee.]