Section 10A. The assistant recorder in any registry, with the approval of the chief justice of the land court department, may appoint one or more technical assistants who shall perform such duties as the court may from time to time assign to them and whose compensation shall be the same as that of the first assistant register of deeds for said registry district. Subject to applicable laws, said assistant recorder, or in the case of abolished counties the state secretary or said assistant recorder, may terminate such technical assistant or assistants unless said chief justice objects in writing within 14 days after the notice of termination.