Calculating gratuity upon converting from unlimited to limited-term labor contracts

Dear Questioner,

You must first liquidate all your dues before transferring the contract for a fixed term because when transferring, the calculation is made from zero.

Dear questioner,

Keynote:

The employer may not exploit the new law to reduce the rights of the employees he contracted with in accordance with the old law.

The end-of-service gratuity is calculated according to the new law.