1. Short title This Act may be cited as the Unlocking Opportunities for Small Businesses Act of 2019 . 2. Past performance ratings of joint ventures for small business concerns (a) In general Section 15(e) of the Small Business Act ( 15 U.S.C. 644(e) ) is amended by adding at the end the following: (5) Past performance ratings of joint ventures for small business concerns With respect to evaluating an offer for a prime contract made by a small business concern that previously participated in a joint venture with another business concern (whether or not such other business concern was itself a small business concern), the Administrator shall establish regulations— (A) requiring contracting officers to consider the record of past performance of the joint venture when evaluating the past performance of the small business concern