Termination of service.

No employer shall dispense with the services of any employee who has been employed for a period of six months or more except for a reasonable cause and without giving such employee at least one month's notice in writing for wages in lieu of such notice:

Provided that no such notice shall be necessary if the services of such employee is dispensed with on a charge of misconduct supported by satisfactory evidence recorded in an enquiry held by the employer for that purpose.