(a) The Board, pursuant to Occupations Code, Chapter 257, §257.001, Texas Civil Statutes has established a staggered license registration system comprised of initial dental hygiene license registration periods followed by biennial registrations (i.e., renewals).(b) The initial dental hygiene license registration periods will range from 18 months to 30 months. The length of the initial license registration period will be determined by the licensee's birth month, but will be no less than 18 months. The expiration of the initial license will be based on the licensee's birth month. Initial dental license fees will be prorated according to the number of months of the initial license period.(c) Prior to the expiration date of the initial dental hygiene license registration period, a license renewal notice will be mailed to all dental hygiene licensees who have that expiration date.(d) A license registration expired for one year or more may not be renewed.(e) An initial license expires on the 30th day after the date the license is issued if the holder of the license fails to pay the required license fee on or before that date.