; (2) a description of the specialized foster care program involved, and how the program is designed for the placement of sibling groups described in subsection (a); (3) data describing the challenges of placing, and number of, sibling groups described in subsection (a) that are awaiting placements; and (4) such other information as the Secretary may reasonably require. (d) Use of funds A recipient of a grant under this section may use the grant funds only to develop specialized foster care programs which are— (1) designed to identify available placements for, and place together, sibling groups described in subsection (a); and (2) evidence-based, and proven to substantially increase joint sibling placements. (e) Reporting requirement As a condition of receiving a grant under this section, the grant recipient shall submit to the Secretary a written report on the number of children in the specialized foster care program involved, the size of the sibling groups served by the program, the methods used to place children with their siblings under the program, and the outcomes of the placements. (f) Regulations The Secretary may prescribe such regulations as may be necessary to carry out this section. (g) Limitations on authorization of appropriations To carry out this section, there are authorized to be appropriated to the Secretary not more than $10,000,000, which is authorized to remain available during the 5-year period referred to in subsection (a).