Guides
Plain-English, primary-source-cited guides to UK CARF — written by a practitioner, updated the same week HMRC or the OECD publishes anything that changes them.
The UK CARF Handbook: HMRC crypto reporting explained
in reviewThe practitioner's pillar guide: who must report, every deadline and penalty, and how to prepare.
What is CARF? The Crypto-Asset Reporting Framework, plainly
in reviewThe two-minute definitional version.
Am I an RCASP? Who must report under UK CARF
in reviewEntity-by-entity scope walk-through — exchanges, OTC, wallets, payment apps, DeFi, and the UK-nexus traps.
CARF penalties UK: the £100, £300, £5,000 and £600/day rules
in reviewHow per-user penalties multiply, with worked examples.
RCASP registration with HMRC: step-by-step
in reviewWho must register, by when, and how.
Your first CARF report: complete checklist for 31 May 2027
in reviewWorking backwards from the deadline to what you must do this quarter.
CARF self-certification: requirements + free template
in reviewThe document the £300-per-user penalty hinges on — what it must contain, the refuser problem, and a template pack.
The CARF XML schema, explained for humans
in reviewThe OECD schema, the three validation layers, and the corrections lifecycle — without the standards-document prose.
Non-UK crypto platforms: when UK CARF applies to you
in reviewOffshore incorporation doesn't put you outside UK CARF — the four nexus tests and the classic fact patterns.
Publishing through August–September 2026. Want to know when each lands? The homepage signup is exactly that.