Records are only worth as much as their traceability. HMRC's electronic record-keeping requirements, and the Making Tax Digital regime, demand that data cannot be altered undetected, that it is complete, and that the procedure behind it is documented. E-invoicing is a live question too, though the UK position is narrower than it is elsewhere: contracting authorities must be able to receive invoices conforming to EN 16931, but there is no UK B2B e-invoicing mandate.
Here you will learn which retention periods apply, what an audit-proof time tracking process looks like, and which requirements the UK GDPR and the Data Protection Act 2018 place on working time data.