; and (2) by adding at the end the following new paragraph: (2) The accomplishment of the most economical and efficient organization and operation of working capital fund activities for the purposes of paragraph (1) shall include actions toward the following: (A) The implementation of a workload plan that optimizes the efficiency of the workforce operating within a working capital fund activity and reduces the rate structure. (B) Encouraging a working capital fund activity to perform reimbursable work for other entities to sustain the efficient use of the workforce. (C) Determining the appropriate leadership level for approving work from outside entities to maximize efficiency. . XV Authorization of additional appropriations for overseas contingency operations A Authorizations of appropriations 1501. Purpose The purpose of this subtitle is to authorize appropriations for the Department of Defense for fiscal year 2019 to provide additional funds for overseas contingency operations being carried out by the Armed Forces. 1502. Overseas contingency operations Funds are hereby authorized to be appropriated for fiscal year 2019 for the Department of Defense for overseas contingency operations in such amounts as may be designated as provided in section 251(b)(2)(A)(ii) of the Balanced Budget and Emergency Deficit Control Act of 1985 ( 2 U.S.C. 901(b)(2)(A)(ii) ). 1503. Procurement Funds are hereby authorized to be appropriated for fiscal year 2019 for procurement accounts for the Army, the Navy and the Marine Corps, the Air Force, and Defense-wide activities, as specified in the funding table in section 4102. 1504. Research, development, test, and evaluation Funds are hereby authorized to be appropriated for fiscal year 2019 for the use of the Department of Defense for research, development, test, and evaluation, as specified in the funding table in section 4202. 1505. Operation and maintenance Funds are hereby authorized to be appropriated for fiscal year 2019 for the use of the Armed Forces and other activities and