The Association of Indonesian Skilled and Skilled Engineering Workers As a Professional Association, in addition to being registered and included as a member of the National Construction Services Development Institute (LPJKN), ASTTATINDO has obtained the authority to verify and validate construction workforce certificates contained in Decree Number 13 / KPTS / LPJK -N / II / 2012 concerning the Establishment of Professional Associations and Institutions of Education and Training Authorities to conduct Verification and Validation and Assessment of Classifications and Qualifications for Re-Registration, Extension of Validity and Application for New Construction Worker Certification.