Iowa StatutesCHAPTER 477C - DUAL PARTY RELAY SERVICE477C.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.