; or (2) production of crude oil resources in the Russian Federation, including any direct and significant assistance with respect to the construction, modernization, or repair of infrastructure that would facilitate the development of crude oil resources located in the Russian Federation. (c) Applicability The requirement to impose sanctions under subsection (a) shall not apply with respect to the maintenance of projects that are ongoing as of the date of the enactment of the Defending American Security from Kremlin Aggression Act of 2019 . (d) Requirement To issue guidance Not later than 90 days after the date of enactment of the Defending American Security from Kremlin Aggression Act of 2019 , the Secretary of State, in consultation with the Secretary of the Treasury and the Secretary of Energy, shall issue regulations— (1) clarifying how the exception under subsection (c) will be applied