Texas Government Code - GOV'T § 2253.044. Notice of Claim for Multiple Items of Labor or Material

(1) describe the labor or material in a manner that reasonably identifies the labor or material;

(2) state the name of the party for whom the labor was performed or to whom the material was delivered;

(3) state the approximate date of performance or delivery;

(4) state whether the contract is written or oral;

(5) state the amount of the contract;  and

(6) state the amount claimed.