Tex. Business Organizations Code § 152.506: LIABILITY OF WITHDRAWN PARTNER TO THIRD PARTY.

A person who withdraws as a partner in a circumstance that is not an event requiring a winding up of partnership business under Section 11.051 or 11.057 is liable to another party as a partner in a transaction entered into by the partnership or a surviving partnership under Section 10.001 not later than the second anniversary of the date of the partner's withdrawal only if the other party to the transaction:

(1) does not have notice of the partner's withdrawal; and

(2) reasonably believed that the withdrawn partner was a partner at the time of the transaction.

Acts 2003, 78th Leg., ch. 182, Sec. 1, eff. Jan. 1, 2006.