to annulment in pursuance of a resolution of either House of Parliament; and such an order may --  (a) contain such supplemental, consequential and transitional provision as the Secretary of State considers appropriate; and (b) make different provision for different cases, including different provision in relation to different persons, circumstances or localities. ] Annotations: Annotations are used to give authority for changes and other effects on the legislation you are viewing and to convey editorial information. They appear at the foot of the relevant provision or under the associated heading. Annotations are categorised by annotation type, such as F-notes for textual amendments and I-notes for commencement information (a full list can be found in the Editorial Practice Guide). Each annotation is identified by a sequential reference number. For F-notes, M-notes and X-notes, the number also appears in bold superscript at the relevant location in the text. All annotations contain links to the affecting legislation. (1) The Secretary of State may, in relation to any description of controlled waters (being a description applying to some or all of the waters of a particular class or of two or more different classes), by regulations prescribe a system of classifying the quality of those waters according to criteria specified in the regulations. (2) The criteria specified in regulations under this section in relation to any classification shall consist of one or more of the following, that is to say --  (a) general requirements as to the purposes for which the waters to which