This Practice Note considers the relationship between Part 36 offers and the specific costs recovery regime of CPR 36 with the Part 45 provisions on fixed costs prior to 1 October 2023. This Practice Note references authorities in respect of personal injury claims and considers the relationship between CPR 36 and scale costs for claims in the Intellectual Property Enterprise Court (IPEC) (CPR 46, Section VII). Note, references to ‘rule’ and ‘part’ in this Practice Note refer to the old rules prior to 1 October 2023, which apply to cases that came within the fixed costs regime prior to 1 October 2023. The old Part 36 and old Part 45 can be accessed here: Note, the extended fixed costs regime applies to all civil cases (unless excluded) with a value not exceeding £100,000. For all civil cases, other than personal injury and disease, the extended fixed costs regime applies where proceedings have been issued on or after 1 October 2023. For personal injury cases the extended