Even if a competitive tendering procedure cannot be carried out, a contracting authority may want to consider undertaking some form of informal competition before awarding the contract.
Hyd yn oed os na ellir cynnal gweithdrefn dendro gystadleuol, efallai y bydd awdurdod contractio am ystyried cynnal rhyw fath o gystadleuaeth anffurfiol cyn dyfarnu'r contract.