Sandefjord Municipality uses the agreed seriousness provisions that have been worked out by Difi, Fellesforbundet, KS and Byggenæringens Landsforening for tenders in building and construction contracts. The seriousness provisio ns the tenderer must ensure in the contest are: HSE card, apprentices, reporting obligation to the Central Tax Office for Foreign Cases, internal control. Safety, health, and working environment (SHA), wage and working conditions requirements, use of sub-suppliers. Requirement for payments to a bank. Breaches of contractual terms — consequences for future contests, audit.