(a) Subject to subsection (b) of this section, a custodian shall deny inspection of a personnel record of an individual, including an application, a performance rating, or scholastic achievement information.
(b) A custodian shall allow inspection by:
(1) the person in interest;
(2) an elected or appointed official who supervises the work of the individual; or
(3) an employee organization described in Title 6 of the Education Article of the portion of the personnel record that contains the individual’s:
(i) home address;
(ii) home telephone number; and
(iii) personal cell phone number.