Waccamaw Indian Acknowledgement Act This bill makes the Waccamaw Indian People of Conway, South Carolina, a federally recognized tribe. The bill makes the tribe and its members eligible for services and benefits provided to federally recognized tribes and their members, without regard to the existence of a reservation or the location of the residence of any member. Members of the tribe residing in Horry County in South Carolina are deemed to be within the delivery area for services and benefits. The tribe must submit to the Department of the Interior a membership roll as a condition of receiving recognition, services, and benefits. The tribe must also maintain the membership roll.