The term “Wampanoag Tribal Council of Gay Head, Inc.” means the tribal entity recognized by the Secretary of the Interior as having a government to government relationship with the United States. The Wampanoag Tribal Council of Gay Head, Inc. is the sole and legitimate tribal entity which has a claim under the Trade and Intercourse Act of 1790, Act of July 22, 1790 (ch. 33, sec.
4,
1 Stat. 137), to land within the town of Gay Head. The membership of the Wampanoag Tribal Council of Gay Head, Inc., includes those 521 individuals who have been recognized by the Secretary of the Interior as being members of the Wampanoag Tribal Council of Gay Head, Inc., and such Indians of Gay Head ancestry as may be added from time to time by the governing body of the Wampanoag Tribal Council of Gay Head, Inc.: Provided, That nothing in this section shall prevent the voluntary withdrawal from membership in the Wampanoag Tribal Council of Gay Head, Inc., pursuant to procedures established by the Tribe. The governing body of the Wampanoag Tribal Council of Gay Head, Inc. is hereby authorized to act on behalf of and bind the Wampanoag Tribal Council of Gay Head, Inc., in all matters related to carrying out this subchapter.