[Code of Federal Regulations] [Title 16, Volume 1] [Revised as of January 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 16CFR315.4] [Page 410] TITLE 16--COMMERCIAL PRACTICES CHAPTER I--FEDERAL TRADE COMMISSION PART 315_CONTACT LENS RULE--Table of Contents Sec. 315.4 Limits on requiring immediate payment. A prescriber may require payment of fees for an eye examination, fitting, and evaluation before the release of a contact lens prescription, but only if the prescriber requires immediate payment in the case of an examination that reveals no requirement for ophthalmic goods. For purposes of the preceding sentence, presentation of proof of insurance coverage for that service shall be deemed to be a payment.