National Planning Framework
https://dpea.scotland.gov.uk/LibraryDetails.aspx?id=41
This library contains documents relating to National Planning Framework to be used in the planning process. To submit a library document as part of your document list, you must provide details of the document name and the URL of the specific document you wish to refer to. For your convenience a full index of all documents and corresponding URLs contained within the library is available under the Document List tab. If you are referring to an extract of a larger document, you should specify the relevant section in your document list e.g. Local development plan - Chapter 3 - Section 7.2. A link to the front page of the core documents library is not sufficient and we will request that specific links to each document are provided.
Further information regarding National Planning Framework 4 is available here - https://www.gov.scot/publications/national-planning-framework-4/