28. A monetary administrative penalty of $350 in the case of a natural person or $1,500 in other cases may be imposed on the person in charge who fails(1) to comply with the deadlines to send any notice or document provided for in this Regulation or to indicate, in the notices or documents, the information required;
(2) to inform the persons served of an interruption of service, in accordance with the second or fifth paragraph of section 4; or
(3) to keep a notice or document for the period provided for in the second paragraph of section 26 or to send it to the Minister, at the Minister’s requests.