; and (2) require the attendance of witnesses and the production of books, papers, and documents, administer oaths, take testimony, and procure printing and binding. (b) Appointment and compensation of staff (1) The Committee may appoint and fix the compensation of such experts, consultants, technicians, and clerical personnel as it deems necessary, but shall utilize existing staff to the extent possible. Staff shall be compensated and reimbursed in accordance with current rules, statutes, practices, and procedures under which congressional staff are currently compensated and reimbursed for their official expenses. (2) The Committee may utilize such voluntary and uncompensated services as it deems necessary and may utilize the services, information, facilities, and personnel of other agencies of the legislative branch. (c) Witnesses Witnesses requested to appear before the Committee shall be reimbursed for travel, subsistence, and other necessary expenses incurred in traveling to and from Committee proceedings. (d) Expenses (1) Senate (A) The Senate members of the Committee shall submit a budget of expenses allocable to the Senate to the Committee on Rules and Administration of the Senate. The Committee may expend for expenses allocable to the Senate not to exceed $___ from the contingent fund of the Senate subject to approval by the Committee on Rules and Administration until a Committee funding resolution is approved by the Senate or, if no funding resolution is approved, until the conclusion of the 115th Congress. (B) The expenses of the Committee allocable to the Senate shall be paid from the contingent fund of the Senate, upon vouchers signed by the Senate chairman. (2) House of Representatives There shall be paid out of the applicable accounts of the House of Representatives such sums as may be necessary for one-half of the expenses of the Committee. Such payments shall be made on vouchers signed by the chairman or vice chairman of the Committee who is a Member of the House of Representatives, as the case