Your decision to transfer your property to your 24-year-old son is the most indicated solution in order for your son to keep the resident permit as main applicant and his parents be granted for resident permits as his family members. If you coordinate with your lawyer, the process of transferring the property and at the same time asking for an appointment with the competent authorities for the submission of the necessary documents, there is no need to leave the country. Besides, upon submission of the related documentation, the temporary resident permit is issued on behalf of the applicants.
