Section 207.252a - Premiums-operating loss loans(a) The mortgagee, upon the insurance endorsement of the increase loan credit instrument covering the operating loss loan, shall pay to the Commissioner a first mortgage insurance premium of not less than one-fourth of one percent nor more than one percent as the Secretary shall determine of the original amount of the loan.(b) The provisions of paragraphs (d), (e), (f) and (g) of Sec. 207.252 shall apply to operating loss loans.66 FR 35073, July 2, 2001