2014 Iowa Code > Chapter 477C – Dual party relay service Current as of: 2014 | Check for updates | Other versions § 477C.1 Dual party relay service – purpose. § 477C.2 Definitions. § 477C.3 Dual party relay service. § 477C.4 Telecommunications devices for the deaf. § 477C.5 Dual party relay council. § 477C.6 Budget. § 477C.7 Funding. Ask a legal question, get an answer ASAP!Click here to chat with a lawyer about your rights.