(a) No foster-care-placement or termination-of-parental-rights proceeding may be held until at least 10 days after receipt of the notice by the parent (or Indian custodian) and by the Tribe (or the Secretary). The parent, Indian custodian, and Tribe each have a right, upon request, to be granted up to 20 additional days from the date upon which notice was received to prepare for participation in the proceeding.

(b) Except as provided in 25 U.S.C. 1922 and § 23.113, no child-custody proceeding for foster-care placement or termination of parental rights may be held until the waiting periods to which the parents or Indian custodians and to which the Indian child's Tribe are entitled have expired, as follows:

(1) 10 days after each parent or Indian custodian (or Secretary where the parent or Indian custodian is unknown to the petitioner) has received notice of that particular child-custody proceeding in accordance with 25 U.S.C. 1912(a) and § 23.111;

(2) 10 days after the Indian child's Tribe (or the Secretary if the Indian child's Tribe is unknown to the party seeking placement) has received notice of that particular child-custody proceeding in accordance with 25 U.S.C. 1912(a) and § 23.111;

(3) Up to 30 days after the parent or Indian custodian has received notice of that particular child-custody proceeding in accordance with 25 U.S.C. 1912(a) and § 23.111, if the parent or Indian custodian has requested up to 20 additional days to prepare for the child-custody proceeding as provided in 25 U.S.C. 1912(a) and § 23.111; and

(4) Up to 30 days after the Indian child's Tribe has received notice of that particular child-custody proceeding in accordance with 25 U.S.C. 1912(a) and § 23.111, if the Indian child's Tribe has requested up to 20 additional days to prepare for the child-custody proceeding.

(c) Additional time beyond the minimum required by 25 U.S.C. 1912 and § 23.111 may also be available under State law or pursuant to extensions granted by the court.