ABSTRACT Wida Farida, Legal notch entrepreuneur partners with the government and business entiries of construction services tke certifies, supervised by Kunti Widayati, SH. M.Hum dan Syamsul Bahrie, SH.M.HumThis study aims to determine how the application of business entity certificate a requirement in the implementation of procurement auctions of construction tield in East Kalimantan; for perpetration of guods and service providrs in assessment process granting formal recognition in computerized state level and the ability of Business enterprises in the field of construction service baed on classification and qualification that are realized in the new of business entility certificate in the assement prosess capacity of business senterpris competency in the quafication and the ability of the business enterprise in the feld of contruction services in to business-level sevices competency.Based on the research conduend, of has been knom that the problems that onse with tegard to the certification eatity are : 1. The existence of certification of business intitis in the tender prousess of government in the lity of East Kalimantan sometimes overlovoked by the tender commite in the proses of determmininy the urner to the anesin to cntrasy to the pronsions of presidential beerce no. 54 of 2010 and Act No.18 of 1999 on Construction services . 2. Factor that lead to defeets in govenmet projeet‟s anetin prosess in East Kalimantan Are : a. Limited understanding of the tender committee of the provision of govenement goods and services aictin. b. The indivation of intent committed by the authin comitte caused by the presence of gratification collusion between the entity and tender committee.Contruction as the embodiment of the registration results, enther in the form of the individual if business entity keyword : Business entity certificate.