E I 16. Time-limit for determining requests 17. Access to documents 18. Deletion of exempt information 19. Fees 20. Forms of access 21. Deferral of access 22. Refusal of access in certain cases 23. Decisions to be made by authorised persons 24. Reasons for decisions to be given PART IV EXEMPTDOCUMENTS 25. Cabinet documents 26. Documents affecting national security, defence and international relations 27. Documents affecting enforcement or administration of the law 28. Documents affecting legal proceedings or subject to legal professional privilege 29. Documents to which secrecy provisions apply 30. Documents affecting personal privacy 31. Documents relating to trade secrets, business affairs etc 32. Documents affecting national economy 33. Documents containing material obtained in confidence 34. Documents disclosure of which would be contempt of court or contempt of Parliament 35. Disclosure of exempt documents in the public interest 36. Duty of authorities to act in good faith