(a) The sheriff shall execute subpoenas and other process directed to the sheriff that are issued by the speaker of the house of representatives, the president of the senate, or the chairman of a committee of either house of the legislature.
(b) Failure to execute the subpoena or other process under Subsection (a) carries the same penalties as failure to execute process issued by a court.

(c) If the sheriff performs services under this section, the sheriff shall receive the fees prescribed by law for similar services rendered in the courts. The fee shall be paid on the certificate of the authority issuing the process.