D.C. Mun. Regs. tit. 17, r. 17-8101
Subject to § 8101.4, a license to practice as a polysomnographic technologist issued pursuant to this chapter shall expire at 11:59 p.m. on December 31 of each even-numbered year.
A registration to practice as a polysomnographic technician shall be valid for one (1) non-renewable term of three (3) years.
A registration to practice as a polysomnographic trainee shall be valid for a two (2) year term. An applicant may renew the registration one (1) time for an additional two (2) years with a showing of good cause, as defined in § 8106.8.
The Director may change the renewal system and the expiration dates of licenses issued pursuant to this chapter.
An applicant for a license to practice as a polysomnographic technologist or for registration as either a polysomnographic technician or polysomnographic trainee shall submit with a completed application three (3) letters of reference from licensed physicians or licensed polysomnographic technologists who have personal knowledge of the applicant's abilities and qualifications to practice as a member of the polysomnography profession.
D.C. Mun. Regs. tit. 17, r. 17-8101