The following definitions apply to underwriting guideline filings under this division:(1) the definitions in §5.9310 of this title (relating to Property and Casualty Transmittal Information and General Filing Requirements);(2) the definitions in Insurance Code §38.002 apply to insurers filing underwriting guidelines for personal automobile or residential property insurance;(3) the definitions in Insurance Code Chapter 2053 apply to insurers filing underwriting guidelines for workers' compensation insurance; and(4) the definitions in Insurance Code §38.003 apply to insurers filing underwriting guidelines for lines of property and casualty insurance not subject to Insurance Code §38.002.