; or (3) details, joint duty, or long-term, full-time training. (c) Notice to congressional intelligence committees The Director of National Intelligence shall notify the congressional intelligence committees in writing at least 15 days prior to each exercise of an authority described in subsection (a). 104. Intelligence Community Management Account (a) Authorization of appropriations There is authorized to be appropriated for the Intelligence Community Management Account of the Director of National Intelligence for fiscal year 2018 the sum of $526,900,000. Within such amount, funds identified in the classified Schedule of Authorizations referred to in section 102(a) for advanced research and development shall remain available until September 30, 2019. (b) Authorized personnel levels The elements within the Intelligence Community Management Account of the Director of National Intelligence are authorized 804 positions as of September 30, 2018. Personnel serving in such elements may be permanent employees of the Office of the Director of National Intelligence or personnel detailed from other elements of the United States Government. (c) Classified authorizations (1) Authorization of appropriations In addition to amounts authorized to be appropriated for the Intelligence Community Management Account by subsection (a), there are authorized to be appropriated for the Intelligence Community Management Account for fiscal year 2018 such additional amounts as are specified in the classified Schedule of Authorizations referred to in section 102(a). Such additional amounts made available for advanced research and development shall remain available until September 30, 2019. (2) Authorization of personnel In addition to the personnel authorized by subsection (b) for elements of the Intelligence Community Management Account as of September 30, 2018, there are authorized such additional personnel for the Community Management Account as of that date as are specified in the classified Schedule of Authorizations referred to in