This person is actually making you fool there is nothing called giving name to any office due to which he can not change his designation. As you have written in your post that as this employee is not trustworthy management has changed his post. You can directly speck to the head person pf your comopany and issue him a demotion letter stating the right reason and change his designation to HR admin to only Admin.
Also you can ask the seniors to check his or her work performance, if the employee is not performing good you can definetly issue him a warnign letter and later can change his designation. As your company streghth is 22 check with him for which labour office he has given his name and for what reason. It is definetly not true.
It is not being fresher but learn to handle the situation tactfully and practically.
Good luck to you.
17th November 2015 From India, Mumbai
1) As employer (Directors/Proprietors or Partners names will be given)
2) As Manager (Any authorised person name & designation shall be given)
I hope while registering or amending he would have given his name as authorised person. But still the same can be checked in the certificate issued from the respective department. In anything is there and the same shall be changed by amending the certificate
17th November 2015 From India, Bangalore