According  to an affirmative defense, to an FCP a violation for payment to be lawful under the law of a foreign official country there must be 

A. A written form of consent by local counsel that is signed by The for an official as a binding contract. 

B. A customary ritual confirmed by local counsel.

C. A written statue to support the   legality of the action. 

D.  And upheld tradition for business conduct by foreign officials