A third person in good faith and without court order may act on the instructions of or otherwise deal with any person purporting to make a transfer or purporting to act in the capacity of a custodian and, in the absence of knowledge, is not responsible for determining:

(1)        The validity of the purported custodian’s designation;

(2)        The propriety of, or the authority under this Chapter for, any act of the purported custodian;

(3)        The validity or propriety under this Chapter of any instrument or instructions executed or given either by the person purporting to make a transfer or by the purported custodian; or

(4)        The propriety of the application of any property of the minor delivered to the purported custodian. (1987, c. 563, s. 2.)