[Code of Federal Regulations] [Title 29, Volume 9] [Revised as of July 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 29CFR2570.50] [Page 540] TITLE 29--LABOR CHAPTER XXV--PENSION AND WELFARE BENEFITS ADMINISTRATION, DEPARTMENT OF LABOR PART 2570--PROCEDURAL REGULATIONS UNDER THE EMPLOYEE RETIREMENT INCOME SECURITY ACT--Table of Contents Subpart B--Procedures for Filing and Processing Prohibited Transaction Exemption Applications Sec. 2570.50 Revocation or modification of exemptions. (a) If, after an exemption takes effect, changes in circumstances, including changes in law or policy, occur which call into question the continuing validity of the Department's original conclusions concerning the exemption, the Department may take steps to revoke or modify the exemption. (b) Before revoking or modifying an exemption, the Department will publish a notice of its proposed action in the Federal Register and provide interested persons with an opportunity to comment on the proposed revocation or modification. In addition, the Department will give the applicant at least 30 days notice in writing of the proposed revocation or modification and the reasons therefor and will provide the applicant with the opportunity to comment on the revocation or modification. (c) Ordinarily the revocation or modification of an exemption will have prospective effect only.