THE PENALTY FOR FAILURE
And any person who shall wilfully fail or refuse to present himself for registration or to submit thereto as herein provided, shall be guilty of a misdemeanor and shall, upon conviction in the District Court of the United States having jurisdiction thereof, be punished by imprisonment for not more than one year, and shall thereupon be duly registered.
Provided, that in the call of the docket preference shall be given, in courts trying the same, to the trial of criminal proceedings under this act.
Provided, further, that persons shall be subject to registration as herein provided who shall have attained their twenty-first birthday and who shall not have attained their thirty-first birthday on or before the day set for the registration, and all persons so registered shall be and remain subject to draft into the forces hereby authorized unless exempted or excused therefrom, as in this act provided.
Provided, further, that in the case of temporary absence from actual place of legal residence of any person liable to registration as provided herein, such registration may be made by mail under regulations to be prescribed by the President.