The Board shall: Issue an initial registration until September 30, 2024, to an approved applicant that: Is not valid for more than 2 years; and Expires on the date set by the Board; or Notify an applicant not approved for registration, by a letter which specifies the reason or reasons for disapproval. The registrant shall notify the Board, in writing, of any change in the legal name or address of the registrant within 60 days after the change occurs. The Board may not issue a registration if the criminal history records information required under Health Occupations Article, §3–302.1, Annotated Code of Maryland, has not been received. Display of Registration. A registrant shall display the registration and any current renewal registration conspicuously in the space where the registrant is engaged in practice, including in any temporary space or in any exhibit location.