Article 17 of Oil Sector Labour Law

If the employment contract is of indefinite duration, either party may terminate it after notifying the other party in writing. Notice shall be given as follows: a - At least thirty days before termination of the contract for workers paid monthly. b - At least fifteen days before termination of the contract for other workers. The party terminating the contract may pay the other party compensation in lieu of notice equal to the worker's wage for the prescribed notice period or the remaining part thereof. The employer may not terminate the contract while the worker is on annual leave; otherwise, the leave shall be deemed interrupted immediately upon notice of termination.