24. A planning authority may require from the applicant further particulars, documents, materials or evidence which they consider that they require to enable them to deal with the application and, in respect of an application made under regulations 9 to 12, may do so in addition to the particulars, documents, materials or evidence which are to be included in or accompany an application in accordance with regulation 9, 10, 11 or 12, as the case may be.