This Practice Note provides an outline of the law in relation to legal costs in civil proceedings in Ireland. It considers Legal Services Regulation Act 2015 (Ireland), s 150 (LSRA 2015 (IRL)) and the requirements of a section 150 notice. It also considers the legal framework for legal costs, the requirement for a bill of costs, the categories of legal costs, the general rule in relation to costs, recoverable costs and adjudication of costs, costs on interim applications, lodgements and tenders in respect of costs and the steps taken to minimise costs. Finally, it looks at some recent developments and reform in this area. For an analysis of the Irish position on third party litigation funding, see Practice Note: Ireland—Third-party litigation funding. Legal costs/legal fees Legal costs are described as costs incurred between parties in relation to legal proceedings. They apply to contentious and non-contentious work and include money paid to legal professionals, witnesses and third parties. Litigation costs, which this Practice Note concerns, are a specific