Dette er en udbredt form for forsvar fra underleverandårens side: de almindelige vilkår, som indeholdes i hovedleverandårens formular, vil blive anset for at være accepteret stiltiende, men det kan i hvert fald så ikke påstås, at de mest byrdefulde bestemmelser er godkendt udtrykkeligt og skriftligt hvilket de skal være for at være gyldige i henhold til civilbogens artikel 1341, 2. afsnit (jf. punkt 2.4.).
A common form of defence for subcontractors is thereby put into effect: the general terms contained in the forms prepared by the contractor are deemed to be tacitly accepted, but the more oppressive clauses cannot be said to have been specifically approved in writing and are, therefore, null and void under the second paragraph of Article 1341 of the Civil Code (see 2.4 below).