whilst in any premises used for the purposes of the business of a public telecommunication licensee, intentionally obstructs the course of business of the licensee concerned; or
(b)
assaults or intentionally obstructs or incites anyone to obstruct or impede an officer or employee of a public telecommunication licensee in the performance of his duties,
shall be guilty of an offence.
(2) A public telecommunication licensee may require any person guilty of an offence under subsection (1) to leave the premises used for the purposes of its business and, if any such offender who is so required refuses or fails to comply with the requirement, he may be removed by an employee of the licensee.