Property that a testator gives to a person during the testator's lifetime is considered a satisfaction, either wholly or partly, of a devise to the person if:
(1) the testator's will provides for deduction of the lifetime gift from the devise;
(2) the testator declares in a contemporaneous writing that the lifetime gift is to be deducted from, or is in satisfaction of, the devise; or
(3) the devisee acknowledges in writing that the lifetime gift is in satisfaction of the devise.
Official text of the Texas Estates Code as published by the Texas Legislative Council.