The first phase of MTD started in April 2019, mandating that most VAT registered businesses with taxable turnover over £85,000 keep digital tax records. The next phases of MTD include :
April 2022 : MTD for VAT will be extended to all VAT registered businesses, including those below the VAT threshold.
April 2023 : MTD for Income Tax and Self-Assessment mandates unincorporated (sole traders and partnerships) businesses and landlords with income above £10,000.
April 2026 : The earliest possible date for MTD for Corporation Tax after the government announced it wouldn’t be mandated before then.