person authorised to access it commits an offence and is liable, upon conviction, to a fine not less than [period] but not exceeding [period] or to imprisonment for a period not exceeding [period], or to both. (3) A person who intentionally and without lawful excuse or justification or in excess of a lawful excuse or justification — a) communicates, discloses or transmits any computer data, program, access code or command to any person not authorized to access the computer data, program, code or command; (b) accesses or destroys any computer data, for purposes of concealing information necessary for an investigation into the commission, or otherwise of an offence; (c) receives computer data and is not authorized to receive that computer data, commits an offence and is liable, upon conviction, to a fine not exceeding [amount] or to imprisonment for a term not exceeding [period], or to both. (4) A person who intentionally and without lawful excuse or justification or in excess of a lawful excuse or justification destroys —or alters computer data where such data is required to be kept or maintained by law for the time being in force or any evidence in relation to any proceeding under this Act by (a) creating, destroying- mutilating, removing or modifying data or program or any other form of information existing within or outside a computer or computer network; or (b) activating or installing or downloading a program that is designed to create, destroy, mutilate, remove or modify data, program or any other form of information existing within or outside a computer or computer network; or (c) creating, altering, or destroying a password, personal " identification number, code or method used to access a computer or computer network, commits an offence and shall be liable on conviction to a fine of not less than [period] or to imprisonment for a term but not exceeding [period] or to both such fine and imprisonment.