Versions of Texas Occupations Code 2310.155 - Service Technician License Required on LawServer 2024 Texas Occupations Code 2310.155 – Service Technician License Required 2023 Texas Occupations Code 2310.155 – Service Technician License Required 2022 Texas Occupations Code 2310.155 – Service Technician License Required 2019 Texas Occupations Code 2310.155 – Service Technician License Required