A dual motor carrier that provides call or demand service under a certificate of public convenience and that has obtained a license from the commission to provide transportation network service may dispatch either a call or demand vehicle or a personal vehicle driven by a dual motor carrier driver to provide service in its authorized service territory. The certificate holder shall ensure, in the same manner used for call or demand fleet vehicles, that personal vehicles used to provide service under this section are in continuous compliance with Department of Transportation inspection standards and the commission's vehicle standards.