; (II) prioritize reseeding the area in the target treatment area; and (III) monitor for the presence of new invasive grass and promptly treat any invasive grass present; and (ii) if, after conducting a treatment, desirable native grasses are established and dominant in a target treatment area, provide for the natural restoration of native grasses. (3) Deadline to finalize action plan Not later than 270 days after the date of enactment of this Act, the Secretaries shall finalize the action plan. (4) Implementation of action plan (A) In general Not later than 60 days after the date on which the action plan is finalized under paragraph (3), the Secretaries shall begin implementing the action plan. (B) Memoranda of understanding and agreements In implementing the action plan, the Secretary concerned may enter into a memorandum of understanding or an agreement with non-Federal entities, as appropriate, to carry out activities under the action plan to control the spread of an invasive grass on Federal land or land adjacent to Federal land. (C) Cooperating agency coordination The Secretary concerned shall, to the extent practicable, offer to assist in the preparation of environmental reviews that may be necessary in implementing treatment and control activities on non-Federal land. (c) Reports to Congress Not later than 3 years after the date of enactment of this Act, and annually thereafter during the period in which the action plan is being implemented, the Secretaries shall submit to Congress a report assessing the effectiveness of the action plan that includes a description of— (1) the location of the target treatment areas; (2) the number of acres within target treatment areas on which treatments were conducted; (3) the agreements or partnerships entered into under subsection (b)(4)(B) to advance the implementation of the action plan; (4) monitoring information described in subsection (b)(2)(H)