Rev. 2011] Kenya Information and Communications CAP. 411A “mail bag” means any bag, container, envelope or covering in which postal articles are conveyed; “Minister” means the Minister for the time being responsible for communications; “modification” means a modification of the contents of any computer system by the operation of any function of that computer system or any other computer system as a result of which— (a) any program or data held in the computer system is altered or erased; (b) any program or data is added to its contents; or (c) any act occurs which impairs the normal operation of the computer system; “parcel” means a postal article which is posted at the office of a licensee as a parcel or is received at another office: Provided that the said parcel is not smaller than the minimum size or heavier than the maximum weight prescribed; “password” means any data by which a computer service or a computer system is capable of being obtained or used; “possession”, “be in possession of” and “have in possession” have the meanings assigned to such expressions in section 4 of the Cap. 63. Penal Code; “post” (i) when used with reference to telecommunication includes any pole, standard, stay, strut or other aboveground contrivance for installing, carrying, supporting or suspending a telecommunication line; and (ii) when used with reference to the transmission of postal articles by post, means any system for the collection, despatch, conveyance, handling and delivery of postal articles; “post office” means any building, house, room, receptacle, vessel, vehicle or place where postal articles are received, delivered, sorted, made up or despatched; “postage” means the fee chargeable for the transmission by post 13