Currently in the UK the CAA is offering a £250 rebate to BHPA emmenées that are pilot rated.  https://www.caa.co.uk/General-aviation/Aircraft-ownership-and-maintenance/Electronic-Conspicuity-devices/ The scheme will remain open to applications until 30 September 2021 (or until the funding is used). Those meeting the requirements can claim a 50% rebate of the purchase cost of an XC Tracer Maxx to a maximum of £250.00 (including VAT), per applicant.