may assess such fees, the Secretary may assess and collect such fees, without any modification in the rate, for registration under section 605 at any time in such fiscal year. (f) Crediting and availability of fees (1) In general Fees authorized under subsection (a) shall be collected and available for obligation only to the extent and in the amount provided in advance in appropriations Acts. Such fees are authorized to remain available until expended. Such sums as may be necessary may be transferred from the Food and Drug Administration salaries and expenses appropriation account without fiscal year limitation to such appropriation account for salaries and expenses with such fiscal year limitation. The sums transferred shall be available solely for cosmetic safety activities. (2) Collections and appropriations Acts (A) In general Subject to subparagraphs (C) and (D), the fees authorized by this section shall be collected and available in each fiscal year in an amount not to exceed the amount specified in appropriation Acts, or otherwise made available for obligation, for such fiscal year. (B) Use of fees and limitation The fees authorized by this section shall be collected and available only to defray the costs of cosmetic safety activities. (C) Fee collections during first program year Until the date of enactment of discretionary appropriations through September 30, 2020, for the Food and Drug Administration—Salaries and Expenses account, fees authorized by this section for fiscal year 2020 may be collected, and any fees so collected shall be credited to such account, to remain available until expended. (D) Startup costs Until one year after the Secretary begins collecting user fees under subsection (a), any amounts available for the Center for Food Safety and Applied Nutrition and related field activities (excluding user fees) shall be available and allocated as needed to pay the costs of any cosmetic safety activities not authorized before enactment of the Cosmetic Safety Enhancement Act of 2019 . (E)