In this chapter, the following terms have the meanings indicated. Terms Defined. “Act” means the Public Information Act, General Provisions Article, §§4-101—4-601, Annotated Code of Maryland. “Applicant” has the meaning stated in General Provisions Article, §4-101(b), Annotated Code of Maryland. “Custodian has the meaning stated in General Provisions Article, §4-101 (d), Annotated Code of Maryland. “Department” means the Department of Agriculture. “Person in interest” has the meaning stated in General Provisions Article, §4-101(g), Annotated Code of Maryland. “Public record” has the meaning stated in General Provisions Article, §4-101(j), Annotated Code of Maryland. “Secretary” means the Secretary of Agriculture.