33 C.F.R. § 138.50 Time to apply.
Title 33 - Navigation and Navigable Waters
(a) A vessel operator who wishes to obtain a Certificate shall file a completed application form, evidence of financial responsibility and appropriate fees at least 21 days prior to the date the Certificate is required. The Director, NPFC, may waive this 21-day requirement. (b) The Director, NPFC, generally processes applications in the order in which they are received at the National Pollution Funds Center.
Title 33: Navigation and Navigable Waters
PART 138—FINANCIAL RESPONSIBILITY FOR WATER POLLUTION (VESSELS)
§ 138.50 Time to apply.

