Section 34.1-3-902 - Variation of commercial paper provisions by agreement(a) The effect of the provisions of this article on parties who are users or participants having a contractual relationship with a registered clearing corporation may be varied by agreement with respect to the transfer, pledge, presentment, dishonor and payment of instruments or other activity covered by this article carried out through such registered clearing corporation if such relates to instruments which are deposited instruments in such registered clearing corporation. (b) The rules, regulations, operating procedures and the like adopted or promulgated by a registered clearing corporation from time to time shall have the effect of agreements under subsection (a) of this section whether or not specifically assented to by all parties interested in the instruments handled.