1. (a) An air conditioning and refrigeration contracting company shall not use a license number that is not assigned to that company.
2. (b) All air conditioning and refrigeration contractor's licenses expire one year after the date issued, renewed, or reissued.
3. (c) A license number is not transferable.
4. (d) Endorsement Codes are as follows: Environmental Air Conditioning-E; Commercial Refrigeration & Process Cooling and Heating-R; Combined Endorsements-C. License numbers shall have the following form: Title/Class/Number/Endorsement code-TACL/A/000000/C.
5. (e) A holder of a Class B license may design, install, construct, maintain, service, repair, alter, or modify individual units of 25 tons or less of cooling capacity or 1.5 million Btu/h or less of heating capacity. In a building or a complex of buildings having more than one air conditioning or heating unit, the combined cooling capacity may exceed 25 tons and heating capacity may exceed 1.5 million Btu/h, as long as each complete individual unit does not exceed the capacities stated above.
6. (f) Any contractor who has a Class B license with one or two endorsements may upgrade either endorsement by passing the Class A examination for that endorsement.
7. (g) A contractor who wishes to have endorsements of different classes must have a separate license for each endorsement. The licenses will not have concurrent expiration dates unless both are issued on the same date.
8. (h) A contractor may have only one endorsement per license when he has two licenses. Both licenses must have the same business affiliation and permanent and business addresses.
9. (i) The insurance requirement for separate licenses can be met with a single policy with limits at least as high as those required for a Class A license. A waiver of insurance for one license automatically applies to both licenses.
10. (j) Any violation of the law or the rules and regulations resulting in disciplinary action for one license may result in disciplinary action for the other license.
11. (k) Altering a license in any way is prohibited and is grounds for a sanction and/or penalty.
12. (l) If a licensee contracts with a general contractor or a home warranty company to provide installation or service that requires a license under the Act, the licensee remains responsible for the proper installation, service, and mechanical integrity of that work.
13. (m) The wallet card is the actual license and will include, but is not limited to, the licensee's name, business name and address, license number, endorsements, and effective revision (if any) and expiration dates of the license. A wall certificate will be issued to a new licensee.

Source Note:The provisions of this §75.22 adopted to be effective July 21, 1999, 24 TexReg 5469; amended to be effective March 7, 2001, 26 TexReg 1833; amended to be effective September 1, 2001, 26 TexReg 6011; amended to be effective March 27, 2002, 27 TexReg 2225; amended to be effective December 1, 2003, 28 TexReg 10465.