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We would like to inform you that if your employer refuses to pay your monthly salary on the due date for six months, you can file a complaint at the Ministry of Human Resources against the employer. If you receive a judgment of two months salaries or more, you can apply to the same ministry for transferring the visa to another employer without the consent of the previous employer.
Here is the text of the decision of the UAE Minister of Labor No. 766 of 2015 which is still in force so far:
Rules and Conditions for granting a permit to a worker for employment by a new employer
"New work permit may be granted to a worker upon the termination of the said worker’s employment, if the employer is proven for Non-compliance to the contract terms (Example: not paying the wages for more than 60 days).
In case of a complaint filed by the employee against the company, because of not joining the work due to closing the firm. It is provided that in this case, reports from the inspection office proves that the company / restaurant is not working anymore since at least two months ago. The ministry shall be informed of such facts two months at least from the actual closing.
In case of complaining at the labor office referred by the ministry to the court. In this case, a final judgment is required to be in favor of the worker, including his entitlement to at least two months' wages, compensation for arbitrary termination of the fixed-term contracts before its expiry the end of the contract without a reason either recognized by law, or deprive the employee from the end of service benefits.
In all cases, it is provided for in this article, the worker shall meet remaining conditions required - in accordance with the applicable law - to grant him a new work permit.