28 Tex. Admin. Code § 45.10
(a) Since the efficient operation of workers' compensation depends so greatly upon the insurance carrier and Industrial Accident Board receiving prompt notice of possible claims, the employer shall report injuries and occupational diseases by completing board Form E-1, Employer's First Report of Injury, and sending the original to the Industrial Accident Board and a copy to the employer's insurance carrier no later than eight days after:
Source Note:The provisions of this §45.10 adopted to be effective November 11, 1983, 8 TexReg 4493; amended to be effective October 17, 1989, 14 TexReg 5260.