If a Tribe has enacted Tribal laws, regulations, or procedures for challenging Tribal action, how must the Tribe respond to a petition?

If a Tribe has enacted Tribal laws, regulations, or procedures under which a petitioner may file a petition alleging noncompliance with a TERA, the Tribe must: (a) Within a reasonable time issue a final written decision under the Tribal laws, regulations, or procedures that addresses the claim. The decision may include a determination of whether the petitioner is an interested party; (b) Provide a copy of its final written decision to the petitioner; and (c) If the Tribe fails, within a reasonable period, to issue a written decision to a petition that a petitioner brings under applicable Tribal laws, regulations, or procedures the petitioner may file a petition with the Secretary.