510. A person who is the assessor of a municipality, or his deputy, on 21 December 1979, continues in office under this Act, until his mandate expires or until it is terminated according to law.
If the person is a partnership or corporation, the partner, director or employee who was designated before the date mentioned in the first paragraph to act in its name and who made the required undertaking, continues in office until he is replaced in accordance with this Act.