Section 515.201 prohibits the presentation, acceptance or payment of:

1. (a) Drafts or other orders for payment drawn under irrevocable letters of credit issued in favor or on behalf of any designated national;
2. (b) Drafts or other orders for payment, in which any designated national has on or since the “effective date” had any interest, drawn under any irrevocable letter of credit; and
3. (c) Documentary drafts in which any designated national has on or since the “effective date” had any interest.