Employment Without a Fixed Period.
Article 319
ART. 319. Employment Without a Fixed Period. — An employment shall be deemed to be without a definite period for purposes of this Chapter where the employee has been engaged to perform activities which are usually necessary or desirable in the usual business or trade of the employer, except where the employment has been fixed for a specific project or undertaking the completion or termination of which has been determined at the time of the engagement of the employee or where the work or service to be performed is seasonal in nature and the employment is for the duration of the season.