A contract of service is formed for a period or a number of working days which amount in the aggregated to the equivalent of 3 months or more. It provides for the performance of nay specified work which could not reasonably be expected to be completed within a period or a number of working days and should be in writing. An employer shall be responsible for drawing up the contract stating particulars of employment and ensuring that the contract is signed by the employee. Where an employee is illiterate or cannot understand the language in which the contract is written, the employer shall have the contract explained to the employee in a language that the employee understands.