Can changes to contracts of employment only occur by changes introduced by law and changes by agreement? Are there any other forms?

There are generally 4 options available to employers to enable them to change the terms and conditions of an employee’s contract of employment:

1. Changes authorised by the contract
2. Express agreement between the employer and employee
3. Impose the change unilaterally
4. Terminating employment and offering re-engagement on the new terms

An employer should first and foremost establish whether the contractual changes it intends to make to the employee’s contract are authorised by the contract. It may be possible to interpret the existing terms in the contract sufficiently broadly to accommodate the changes. There may also be an express flexibility clause in the contract allowing the employer to make