; (4) establish procedures for screening eligible entities or providers according to the risk of fraud, waste, and abuse that are similar to the standards under section 1866(j)(2)(B) of the Social Security Act ( 42 U.S.C. 1395cc(j)(2)(B) ) and section 9.104 and subpart 9.4 of title 48, Code of Federal Regulations, or successor regulations; and (5) incorporate and apply the restrictions and penalties set forth in chapter 21 of title 41 and treat this section as a procurement program only for purposes of applying such provisions. (d) Rates To the extent practicable, the rates paid by the Secretary for hospital care, medical services, and extended care services provided under a Veterans Care Agreement shall be in accordance with the rates paid by the United States under the Medicare program. (e) Terms of Veterans Care Agreements (1) Pursuant to regulations promulgated under subsection (k), the Secretary may define the requirements for providers and entities entering into agreements under this section based upon such factors as the number of patients receiving care or services, the number of employees employed by the entity or provider furnishing such care or services, the amount paid by the Secretary to the provider or entity, or other factors as determined by the Secretary. (2) To furnish hospital care, medical services, or extended care services under this section, an eligible entity or provider shall agree— (A) to accept payment at the rates established in regulations prescribed under this section; (B) that payment by the Secretary under this section on behalf of a veteran to a provider of services or care shall, unless rejected and refunded by the provider within 30 days of receipt, constitute payment in full and extinguish any liability on the part of the veteran for the treatment or care provided, and no provision of a contract, agreement, or assignment to the contrary shall operate to modify, limit, or negate this requirement