There are many types of Multi-State Riders. Multi-State Riders can be used in any state, or if the borrower owns property in one state and lives in another state. There are Multi-State Condominium Riders, Multi-State Adjustable Rate Riders. This type of document typically goes over the terms and conditions of a loan on a condominium.
More information
https://www.fanniemae.com/singlefamily/riders-addenda
http://www.mortgage-a.com/multi_state_condominium_rider.htm
