Except as provided in Regulation .03 of this chapter, the Board shall issue a written decision within 30 days after receiving the written response, a reply, if filed, and all records or information requested under COMAR 14.02.05. Except as provided in Regulation .03 of this chapter, if the Board holds an informal conference under COMAR 14.02.04, the Board shall issue a written decision within 30 days after the informal conference.