; (2) improve the long-term solvency of Federal programs for which a Federal trust fund exists; and (3) reform budget processes for enhancing the fiscal oversight function of Congress. (j) Powers of debt commission (1) Hearings (A) Public hearings The Debt Commission shall hold public hearings and require attendance of witnesses and production of books, papers, and documents as the Debt Commission considers advisable. (B) Initial meeting Not later than 30 days after the date described in subsection (a), the Debt Commission shall hold the first meeting. (C) Agenda For each meeting of the Debt Commission, the co-chairs of the Debt Commission shall provide an agenda to the members of the Debt Commission not later than 48 hours before the meeting. (D) Hearing announcement The co-chairs of the Debt Commission shall make a public announcement of the date, place, time, and subject matter of any hearing to be conducted under this subsection not later than 7 days before the date of the hearing, unless the co-chairs determine that there is good cause to begin such hearing on an earlier date. (2) Technical assistance Upon written request of the co-chairs of the Debt Commission, the head of a Federal agency shall provide technical assistance to the Debt Commission in a timely manner in order for the Debt Commission to carry out the duties of the Debt Commission. (3) Task forces and working groups The co-chairs may establish task forces and working groups to carry out the duties of the Debt Commission, which may include participation by outside experts. (4) Congressional budget office estimates The Director of the Congressional Budget Office shall, with respect to the legislative language of the Debt Commission under subsection (l)(1)(B), provide to the Debt Commission— (A) estimates of the legislative language in accordance with sections 308(a) and 201(f) of the Congressional Budget Act of 1974 ( 2 U.S.C. 639(a) and 8 601(f))