Irish Revenue has issued eBrief No. 217/25 on updates to Tax and Duty Manual (TDM) Part 04-06-21 - Tax treatment of debt issuance costs (including interest cap fees). The TDM has been updated to incorporate guidance on the tax treatment of interest cap fees, which was previously contained in TDM Part 08-03-02 - The tax treatment of interest cap fees. The guidance, as incorporated into TDM Pa…