 Local Authority Building Control (LABC) is a membership association for around 3,000 members of local authority building control teams in England and Wales.LABSS (Local Authority Building Standards Scotland) is a not-for-profit membership organisation representing all local authority building standards verifiers in Scotland.Formed in 1996, the Association of Consultant Approved Inspectors (ACAI) promotes private sector building control as a commercial, professional and cost-effective alternative to local authority inspectors.