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We would like to inform you that according to the Federal Labor Law and with regard to the definite and indefinite contract, this is something that it stipulated in Article 38:
An employment contract may be for a definite or indefinite term. A definite term contract shall not exceed four years; however, it may be renewed by mutual agreement for an equal or a shorter term(s). Where a contract is renewed, the renewal shall be deemed as an extension of the original term and shall be added thereto when calculating the worker's total period of service.