A. No state bank, trust company, national bank, savings bank, federal mutual savings bank, savings and loan association, federal savings and loan association, federal mutual savings and loan association, credit union or federal credit union or branch of a foreign banking corporation, or any other supervised financial organization or licensed lender as provided in R.S. 9:3516, each of the foregoing referred to in this Section as "banking institution", located in this state shall refuse to honor a military power of attorney properly executed in accordance with R.S. 9:3862 or a military power of attorney as defined in 10 U.S.C. 1044b.
B. The failure of a banking institution to honor a properly executed military power of attorney executed in accordance with R.S. 9:3862 or a military power of attorney as defined in 10 U.S.C. 1044b, shall be deemed unlawful.
C. No banking institution receiving and retaining a military power of attorney presented to it as provided in Subsection A of this Section nor any officer, agent, or employee of such institution shall incur any liability by reason of acting upon the authority thereof unless the institution shall have actually received, at the office where the account is located, written notice of the revocation or termination of such power of attorney.