An employer may dismiss an employee by giving notice of termination.  In both situations, the length of notice is the same, pursuant to the employment contract.  Where the period of notice of termination is not specified in the employment contract, the notice period shall be:
Less than 2 years of service:  minimum 4 weeks
2 years or more but less than 5 years of service:  minimum 6 weeks
5 years of service or more:  minimum 8 weeks