(e)(1) Progress payments based on a percentage or stage of completion are authorized by the statutes cited in 32.101.

(2) This type of progress payment may be used as a payment method under agency procedures. Agency procedures must ensure that payments are commensurate with work accomplished, which meets the quality standards established under the contract. Furthermore, progress payments may not exceed 80 percent of the eligible costs of work accomplished on undefinitized contract actions.