Iowa Code
Chapter 538 - TENDER OF PAYMENT AND PERFORMANCE
Section 538.3 - Tender when contract assigned.

538.3 Tender when contract assigned.
When the contract is contained in a written instrument which is assigned before due, and the maker has notice thereof, the maker shall make the tender at the residence of the holder if the holder resides in the state and no farther from the maker than the payee did at the making thereof.
[C51, §962; R60, §1809; C73, §2100; C97, §3058; C24, 27, 31, 35, 39, §9445; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §538.3]