for providing protective services to the Secretary and investigating non-payment of child support cases for which non-payment is a Federal offense under 18 U.S.C. 228 . Office for civil rights For expenses necessary for the Office for Civil Rights, $38,798,000. Retirement pay and medical benefits for commissioned officers For retirement pay and medical benefits of Public Health Service Commissioned Officers as authorized by law, for payments under the Retired Serviceman's Family Protection Plan and Survivor Benefit Plan, and for medical care of dependents and retired personnel under the Dependents' Medical Care Act, such amounts as may be required during the current fiscal year. Public health and social services emergency fund For expenses necessary to support activities related to countering potential biological, nuclear, radiological, chemical, and cybersecurity threats to civilian populations, and for other public health emergencies, $1,783,128,000, of which $586,700,000 shall remain available through September 30, 2020, for expenses necessary to support advanced research and development pursuant to section 319L of the PHS Act and other administrative expenses of the Biomedical Advanced Research and Development Authority and $710,000,000 shall remain available until expended for the Strategic National Stockpile: Provided , That funds provided under this heading for the purpose of acquisition of security countermeasures shall be in addition to any other funds available for such purpose: Provided further , That products purchased with funds provided under this heading may, at the discretion of the Secretary, be deposited in the Strategic National Stockpile pursuant to section 319F–2 of the PHS Act: Provided further , That $5,000,000 of the amounts made available to support emergency operations shall remain available through September 30, 2021. For expenses necessary for procuring security countermeasures (as defined in section 319F–2(c)(1)(B) of the PHS Act), $780,000,000, to remain available until expended.