The services resulting from a planning contract (in return for payment) are qualified as intellectual work results and – under variable jurisprudence – currently subject to the rules of the work contract law.
The architect (planner), with a work contract relationship, owes not only due care but also a successful work result.
See also in the box.
Instruction on the Application of Law
Variable jurisprudence requires that the subjects of the law, in each specific case make sure how the planning contract is currently qualified and which law will be applied to the planning contract, i.e. work contract, mandate or other law.