The Board shall determine whether an application is complete as received, with all required documentation enclosed. Within 90 days of its receipt of a completed application and required information or documentation, the Board shall approve or deny the application. The Board may close an incomplete application when the information needed to complete the application is not received within 120 days of the submission date. Upon approval of an application, the Board shall issue a document authorizing the applicant to practice acupuncture in this State in accordance with Health Occupations Article, §1A-304, Annotated Code of Maryland, and the regulations in this chapter. Except with approval of the Board, an applicant may not withdraw an application while under investigation or after having received a notice of denial of licensure.