ed by such applicant, licensee or other person, as the case may be; (b) if it is sent by registered post, five days after the date of posting; (c) it is sent by facsimile, at the time the facsimile is transmitted; or (d) if it is sent by electronic mail, at the time the electronic mail is transmitted, (3) The applicant, licensee or other person, as the case may be, shall be deemed to have knowledg