Where a buyer has a right to notify the seller that the contract is terminated under any provision of the contract, you should use the Notice of Buyer’s Termination of Contract (TAR 1902). This form was designed to combine the notices of two prior TREC forms and to add a reference to several other paragraphs or addenda where the buyer can notify the seller that the contract is terminated. This form was promulgated by TREC with a mandatory use date of Sept. 1, 2008.
Source: TAR