[Code of Federal Regulations] [Title 24, Volume 4] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 24CFR983.153] [Page 664] TITLE 24--HOUSING AND URBAN DEVELOPMENT CHAPTER IX--OFFICE OF ASSISTANT SECRETARY FOR PUBLIC AND INDIAN HOUSING, PART 983_PROJECT-BASED VOUCHER (PBV) PROGRAM--Table of Contents Subpart D_Requirements for Rehabilitated and Newly Constructed Units Sec. 983.153 When Agreement is executed. (a) Prohibition of excess subsidy. The PHA may not enter the Agreement with the owner until the subsidy layering review is completed (see Sec. 983.55). (b) Environmental approval. The PHA may not enter the Agreement with the owner until the environmental review is completed and the PHA has received the environmental approval (see Sec. 983.58). (c) Prompt execution of Agreement. The Agreement must be executed promptly after PHA notice of proposal selection to the selected owner.