# Prop. Treas. Reg. § 54.9816-2: 

Proposed regulation, not in force. REG-107707-21, 86 FR 55756, published 2021-10-07 <https://www.federalregister.gov/documents/2021/10/07/2021-21419/requirements-related-to-surprise-billing-part-ii>. Interprets 26 U.S.C. § 9816.

Par. 4. Section 54.9816-2(a) and (b) is added to read as follows: