In cases where the accounting officer is requisitioned by the authorising officer under the conditions provided for in article L. 1617-3 of this code and to Article L. 264-7 of the Financial Jurisdictions Code, there is no total absence of justification of the service rendered within the meaning of the above articles when the authorising officer draws up, on his own responsibility, a certificate certifying that the service has been rendered and justifying the right to the corresponding payment.