(b) should urgent requests for ad hoc reports etc. be made by S.O.2, or the Director of Combined Operations, the Secretary of the Joint Intelligence Sub-Committee will co-ordinate these with the requirements of the Joint Planning Staff and issue the necessary instructions to the Joint Intelligence SubCommittee Topographical Section on behalf of the Joint Intelligence Sub-Committee. 4. A suggested summary of the information to be included in the "I.S.I.S." reports referred to in paragraph 1 (c) above, and by which the Joint Intelligence Sub-Committee Topographical Section is at present guided, is attached as Annex D*.