An applicant applying for a nonresident permit under this chapter shall provide proof satisfactory to the Administration of the applicant's nonresident status. Proof of Nonresidency. An applicant temporarily employed in Maryland shall provide a letter on company letterhead from the applicant's employer indicating the length of the applicant's employment in Maryland. An applicant who is a student shall provide: Valid student identification; or A college registration receipt indicating current enrollment. An applicant who is a member of the armed forces of the United States shall provide: A valid U.S. military identification card; or Written verification from the applicant's commanding officer. An applicant visiting or vacationing in Maryland shall provide a written statement setting forth the reason and length of stay in Maryland.