Maintenance tag for the marking of electric and hybrid vehicles that are currently being worked on in a workshop. The maintenance tag is made of a rugged plastic film with perforation, Ø 5.5 mm. The HV specialist must enter his name and telephone number in the designated labelling field. The prohibition sign "switching prohibited", according to EN ISO 7010/P031, is printed as an eye-catcher. In addition, it contains the reference to switched off high-voltage voltages.