(a)
Prohibition
None of the funds authorized under this chapter shall be used—
(1)
to develop or distribute materials, or operate programs or courses of instruction directed at youth, that are designed to promote or encourage sexual activity, whether homosexual or heterosexual;
(2)
to distribute or to aid in the distribution by any organization of legally obscene materials to minors on school grounds;
(3)
to provide sex education or HIV-prevention education in schools unless that instruction is age appropriate and includes the health benefits of abstinence; or
(4)
to operate a program of contraceptive distribution in schools.