http://www.statutes.legis.state.tx.u...htm/TN.504.htm
Then go down to 501:
Text of section effective on September 01, 2011
Sec. 504.501. CLASSIC MOTOR VEHICLES AND TRAVEL TRAILERS. (a) The department shall issue specialty license plates for a motor vehicle that is at least 25 years old. The license plates must include the word "Classic" or a similar designation, as appropriate.
(b) A person eligible for the license plates may instead use license plates that were issued by this state in the same year as the model year of the vehicle and are approved by the department if the plates are approved for the vehicle before January 1, 2011. The department may require the attachment of a registration insignia to the license plate in a manner that does not affect the display of information originally on the license plate.
(c) There is no fee for issuance or approval of license plates under this section.
Added by Acts 2003, 78th Leg., ch. 1320, Sec. 6, eff. Sept. 1, 2003.
Amended by:
Acts 2009, 81st Leg., R.S., Ch. 1136, Sec. 32, eff. September 1, 2011.
Text of section effective until September 01, 2011
Sec. 504.5011. CLASSIC TRAVEL TRAILERS. (a) In this section, "travel trailer" has the meaning assigned by Section 502.166.
(b) The department shall issue specialty license plates for a travel trailer that is at least 25 years old. The license plates must include the words "Classic Travel Trailer" or a similar designation.
(c) A person eligible for the license plates may instead use license plates that were issued by this state in the same year as the model year of the travel trailer and are approved by the department. The department may require the attachment of a registration insignia to the license plate in a manner that does not affect the display of information originally on the license plate.
(d) The fee for issuance or approval of license plates under this section is $15.
Added by Acts 2005, 79th Leg., Ch. 1045, Sec. 1, eff. September 1, 2005.