If no filing is made under § 820.66 , an exemption decision becomes a Final Order fifteen (15) days after it is filed by a Secretarial Officer. If filing is made under § 820.66 , an exemption decision becomes a Final Order 45 days after it is filed by a Secretarial Officer, unless the Secretary stays the effective date or issues a Final Order that modifies the decision.
10 C.F.R. § 820.67