CIL and Section 106 contact form (* Required field) Message to CIL and Section 106 Your email address * Message * Your planning reference number * Upload land search result attachments Where to find your planning reference number For CON29s, you can find it in Part 1: General Financial Charges and Part 2: Specific Financial charges schedule of a land search report (official certificate of search).For S106 enquiries, you can find it in the Part 3: Planning Charges schedule of the land search report (official certificate of search). The reference number is usually under the development description in this format: NN/AP/NNNN, for example 23/AP/0001. We do not accept S106 legal reference numbers or land search reference numbers. /CIL-and-Section-106-contact-form/Questions/