Tex. Est. Code § 113.102 : ESTATES CODE — ESTATES OF DECEDENTS; DURABLE POWERS OF ATTORNEY — PASSAGE OF TITLE AND DISTRIBUTION OF DECEDENTS' PROPERTY IN GENERAL — MULTIPLE-PARTY ACCOUNTS — OWNERSHIP AND OPERATION OF ACCOUNTS — Ownership of Joint Account During Parties' Lifetimes TEXT PDF During the lifetime of all parties to a joint account, the account belongs to the parties in proportion to the net contributions by each party to the sums on deposit unless there is clear and convincing evidence of a different intent. Tex. Estates § 113.102 Added by Acts 2009, 81st Leg., R.S., Ch. 680, Sec. 1, eff. 1/1/2014.