The board shall furnish a dated written notification of any injury which may produce compensable lost time to the carrier's designated Austin representative. This notice shall begin the 20-day period for commencement of the payment of compensation, or the filing of the statement of controversion, as required in Texas Civil Statutes, Article 8306, §18a, unless the carrier has already received earlier written notice thereof from another source (effective January 1, 1984).
28 Tex. Admin. Code § 53.15