You can find the complet text of the Foreign Corrupt Practices Act on the Department of Justice’s Foreign Corrupt Practices Act site.
§ 78dd-2. Prohibited foreign trade practices by domestic concerns
(a) Prohibition
It shall be unlawful for any domestic concern, other than an issuer which is subject to section 78dd-1 of this title, or for any officer, director, employee, or agent of such domestic concern or any stockholder thereof acting on behalf of such domestic concern, to make use of the mails or any means or instrumentality of interstate commerce corruptly in furtherance of an offer, payment, promise to pay, or authorization of the payment of any money, or offer, gift, promise to give, or authorization of the giving of anything of value to–
(1) any foreign official for purposes of–
(A) (i) influencing any act or decision of such foreign official in his official capacity, (ii) inducing such foreign official to do or omit to do any act in violation of the lawful duty of such official, or (iii) securing any improper advantage; or
(B) inducing such foreign official to use his influence with a foreign government or instrumentality thereof to affect or influence any act or decision of such government or instrumentality,
in order to assist such domestic concern in obtaining or retaining business for or with, or directing business to, any person;
(2) any foreign political party or official thereof or any candidate for foreign political office for purposes of–
(A) (i) influencing any act or decision of such party, official, or candidate in its or his official capacity, (ii) inducing such party, official, or candidate to do or omit to do an act in violation of the lawful duty of such party, official, or candidate, or (iii) securing any improper advantage; or
(B) inducing such party, official, or candidate to use its or his influence with a foreign government or instrumentality thereof to affect or influence any act or decision of such government or instrumentality,
in order to assist such domestic concern in obtaining or retaining business for or with, or directing business to, any person;
(3) any person, while knowing that all or a portion of such money or thing of value will be offered, given, or promised, directly or indirectly, to any foreign official, to any foreign political party or official thereof, or to any candidate for foreign political office, for purposes of–
(A) (i) influencing any act or decision of such foreign official, political party, party official, or candidate in his or its official capacity, (ii) inducing such foreign official, political party, party official, or candidate to do or omit to do any act in violation of the lawful duty of such foreign official, political party, party official, or candidate, or (iii) securing any improper advantage; or
(B) inducing such foreign official, political party, party official, or candidate to use his or its influence with a foreign government or instrumentality thereof to affect or influence any act or decision of such government or instrumentality,
in order to assist such domestic concern in obtaining or retaining business for or with, or directing business to, any person.
(b) Exception for routine governmental action
Subsections (a) and (i) of this section shall not apply to any facilitating or expediting payment to a foreign official, political party, or party official the purpose of which is to expedite or to secure the performance of a routine governmental action by a foreign official, political party, or party official.
(c) Affirmative defenses
It shall be an affirmative defense to actions under subsection (a) or (i) of this section that–
(1) the payment, gift, offer, or promise of anything of value that was made, was lawful under the written laws and regulations of the foreign official’s, political party’s, party official’s, or candidate’s country; or
(2) the payment, gift, offer, or promise of anything of value that was made, was a reasonable and bona fide expenditure, such as travel and lodging expenses, incurred by or on behalf of a foreign official, party, party official, or candidate and was directly related to–
(A) the promotion, demonstration, or explanation of products or services; or
(B) the execution or performance of a contract with a foreign government or agency thereof.