suspension of service company may suspend at any time and for any reason any part of service under an order by giving notice to contractor specifying the part of services to be suspended and the effective date of suspension under this article cannot last more than three months and if it does company shall have the right to terminate under article 14. contractor shall cease work on said part of services on the effective date of suspension , but shall continue to perform any part of services not suspended. notices given under this sub-article may be oral for any suspension that is reasonably expected to continue for no more than three (3) working days.