480. The following persons shall be deemed to be public servants within the meaning of section 21 of the Penal Code (Act XLV of 1860), namely:-(a) every Director General of Shipping, Director of Shipping, Principal Officer, Surveyor, Shipping Master, Radio Inspector, Registrar and Shipping Authority appointed under this Ordinance;(b) every person appointed under section 81 for the purpose of examining the qualifications of persons desirous of obtaining Certificates of Competency under this Ordinance;(c) every person appointed under this Ordinance to report information as to shipping casualties;(d) every Judge, assessor, scientific referee or other person acting under part X;(e) every person authorised under this Ordinance to make inquiry or investigation under Part X;(f) every person directed to make an investigation into an explosion or fire on board ship under section 426;(g) every Presiding Officer and member of a Marine Board convened under section 428;(h) every Receiver of Wreck, and all persons whom he calls to his aid;(i) every other officer or person appointed under this Ordinance to perform any functions thereunder.