Texas Government Code - GOV'T § 2272.003. Report

(a) Before bringing an action asserting a claim to which this chapter applies, the governmental entity must provide each party with whom the governmental entity has a contract for the design or construction of an affected structure a written report by certified mail, return receipt requested, that clearly:

(b) Not later than the fifth day after the date a contractor receives a report under Subsection (a), the contractor must provide a copy of the report to each subcontractor retained on the construction of the affected structure whose work is subject to the claim.