Terms appearing in the Public Information Act shall have the meanings defined there and, in addition, the meaning used in these regulations. Terms Defined. “Applicant” means a person or agency requesting disclosure of public records. “Custodian” or “official custodian” means the Executive Director of the Authority, who is responsible for the maintenance, care, and keeping of public records of the Authority. “Public Information Act” means State Government Article, §§10-611—10-630, Annotated Code of Maryland. Public Records. “Public records” means any paper, correspondence, form, book, photograph, photostat, film, microfilm, computerized record, sound recording, map, drawing, or other written document regardless of physical form or characteristics. “Public records” includes all copies that have been made by the Authority or received by the Authority in connection with the transaction of public business and includes the salaries of all employees of the Authority. “Working day”, for purposes of this chapter, means each day between the hours of 9 a.m. and 4 p.m. except Saturdays, Sundays, and holidays.