In the case of multi-stage type-approvals, where the modifications made at a particular stage are likely to affect the function of the base vehicle's ESC system, the manufacturer may either disable the system or demonstrate that the vehicle has not been rendered unsafe or unstable.
I gcás cineálcheaduithe ilchéimneacha, nuair is dóchúil go ndéanfaidh na modhnuithe a rinneadh i gcéim ar leith difear d'fheidhmiú chóras rialaithe leictreonaigh cobhsaíochta na bonnfheithicle, féadfaidh an monaróir an córas a dhíchumasú nó a léiriú nár fágadh an fheithicil neamhshábháilte nó éagobhsaí.