From 24 February 2014, the Community Infrastructure Levy Regulations 2010 (CIL Regulations 2010), SI 2010/948 introduced an exemption from community infrastructure levy (CIL) for self-build new homes and for residential extensions or annexes. The exemption applies if the criteria in CIL Regulations 2010, SI 2010/948, regs 42A and 42B are satisfied. The procedure for claiming such an exemption is set out in CIL Regulations 2010, SI 2010/948, reg 42B. The applicant must submit a claim for the exemption to the charging authority before development commences. CIL Regulations 2010, SI 2010/948, reg 42B(4) states that: ‘As soon as practicable after receiving a valid claim, and subject to regulation 42A(5), the collecting authority must grant the exemption and notify the claimant in writing of the exemption granted (or the amount of relief granted, as the case may be).’ CIL Regulations 2010, SI 2010/948, reg 126 sets out