(a) In General.—Grants may be made under this chapter for the preservation, stabilization, restoration, or rehabilitation of religious property listed on the National Register if the purpose of the grant—

(1) is secular;

(2) does not promote religion; and

(3) seeks to protect qualities that are historically significant.

(b) Effect of Section.—Nothing in this section shall be construed to authorize the use of any funds made available under this subdivision for the acquisition of any religious property listed on the National Register.