; and (B) will not receive or pursue a contract with a covered entity or a grant or other financial award from a covered entity— (i) during the term of a contract with the Department of Defense; or (ii) while receiving funds from the Department of Defense, or obligating or expending any such funds. (2) Status change Upon the approval by the Secretary of a certification submitted under paragraph (1), a company is deemed to not be a covered consultancy until the expiration of the certification under paragraph (3). (3) Expiration A certification submitted by a company under paragraph (1) shall expire on the earlier of the date on which the company, after submitting such certification enters into, extends, renews, or performs under a contract with a covered entity for consulting services. (d) Guidance The Secretary shall issue procurement policies for the Department of Defense as follows: (1) Policies to implement the prohibition under subsection (b)(1). (2) Best practices to avoid becoming covered consultancies under this section and for covered consultancies to end their status as such. (3) A policy articulating the exact provisions and terms relating to the requirements of paragraphs (2) and (3) of subsection (b) to be included in solicitations, contracts, and grants of the Department. (e) Revision of Department of Defense acquisition regulation Not later than one year after the date of the enactment of this Act, the Secretary shall revise the Defense Federal Acquisition Regulation Supplement to implement this section. (f) Definitions In this section: (1) Consulting services The term consulting services has the meaning given the term advisory and assistance services in section 2.101 of the Federal Acquisition Regulation, except that— (A) the term does not include the services described in paragraph (3) of such section