; and (B) be randomly inspected at least monthly. (4) Category 4 food facilities A category 4 food facility shall be randomly inspected at least quarterly. (5) Category 5 food facilities A category 5 food facility shall be randomly inspected at least annually. (c) Establishment of inspection procedures The Administrator shall establish procedures under which inspectors or safety officers inspect food facilities, which shall allow the taking of random samples, photographs, and copies of records in food facilities. (d) Alternative inspection frequencies (1) In general With respect to a category 2, 3, 4, or 5 food facility, to foster a risk-based allocation of resources, the Administrator may establish, in accordance with this subsection, alternative increased or decreased inspection frequencies for— (A) one or more subcategories of food facilities under paragraph (2); and (B) one or more specific food facilities under paragraph (3). (2) Determination of subcategories and frequencies (A) In general The Administrator shall define, by regulation, each subcategory of food facilities established under paragraph (1)(A) and the alternative inspection frequency of that subcategory. (B) Considerations In defining a subcategory of food facilities and the alternative inspection frequency of that subcategory under subparagraph (A), the Administrator shall consider— (i) the nature of the foods being processed, stored, or transported; (ii) the manner in which foods are processed, stored, or transported; (iii) the inherent likelihood that the foods will contribute to the risk of foodborne illness; (iv) the best available evidence concerning reported illnesses associated with the foods produced in the proposed subcategory of facilities