Whenever the President by proclamation or other public notice fixes a day or days for registration, the Director of Selective Service shall take the necessary steps to prepare for registration and, on the day or days fixed, shall supervise the registration of those persons required to present themselves for and submit to registration. The Director of Selective Service shall also arrange for and supervise the registration of those persons who present themselves for registration at times other than on the day or days fixed for any registration.
32 C.F.R. § 1615.2