Texas Statutes
Subchapter A. Parties to Suit
Section 17.001. Suit on Contract With Several Obligors or Parties Conditionally Liable

Sec. 17.001. SUIT ON CONTRACT WITH SEVERAL OBLIGORS OR PARTIES CONDITIONALLY LIABLE. (a) Except as provided by this section, the acceptor of a bill of exchange or a principal obligor on a contract may be sued alone or jointly with another liable party, but a judgment may not be rendered against a party not primarily liable unless judgment is also rendered against the principal obligor.
(b) The assignor, endorser, guarantor, or surety on a contract or the drawer of an accepted bill may be sued without suing the maker, acceptor, or other principal obligor, or a suit against the principal obligor may be discontinued, if the principal obligor:
(1) is a nonresident or resides in a place where he cannot be reached by the ordinary process of law;
(2) resides in a place that is unknown and cannot be ascertained by the use of reasonable diligence;
(3) is dead; or
(4) is actually or notoriously insolvent.
Acts 1985, 69th Leg., ch. 959, Sec. 1, eff. Sept. 1, 1985.