UK Act of Parliament 1970 United Kingdom

Taxes Management Act 1970

What this means for your business

44 guides
Enforced by
IPO, OPSS, ECJU
Applies to
United Kingdom
On this page
44 practical guides across 4 topics
Read full text on legislation.gov.uk

Practical guidance

Our guides explain how to comply with the requirements above.

Tax & Finance 31

Register as self-employed with HMRC

How to register for Self Assessment as a sole trader, get your Unique Taxpayer Reference (UTR), and understand …

Set up as a sole trader

How to register as self-employed and start trading as a sole trader.

Corporation Tax basics

Understanding and paying Corporation Tax.

File your Company Tax Return (CT600)

How to file your Company Tax Return (CT600) including deadlines, payment requirements, iXBRL tagging, and quarterly instalment rules …

Corporation tax loss relief

How to use trading losses to reduce your company's corporation tax bill. Covers carry-back, carry-forward, group relief, terminal …

Pay National Insurance when self-employed

How to pay Class 2 and Class 4 National Insurance contributions when you're self-employed. Covers current rates, thresholds, …

Prepare for Making Tax Digital

How to get ready for Making Tax Digital for Income Tax, including when you must join, what software …

Understanding HMRC enquiries

What happens during an HMRC enquiry and how to respond. Covers types of enquiries, time limits, discovery assessments, …

Register for Self Assessment

When and how to register for Self Assessment tax.

Filing your Self Assessment tax return

Who must file a Self Assessment return, how to complete and submit it, what expenses you can claim, …

Claim business expenses as a sole trader

How to claim allowable expenses to reduce your tax bill, including simplified expenses options for vehicles, working from …

How taxes work for limited companies

Understanding Corporation Tax, VAT, PAYE, and Self Assessment - how they interconnect and your obligations to Companies House …

File your Self Assessment tax return

Step-by-step guidance for sole traders on completing and submitting your Self Assessment tax return to HMRC, including key …

Get your Unique Taxpayer Reference (UTR)

How to get a UTR number for Self Assessment. Covers registration for sole traders and partnerships, delivery timelines, …

Use the trading allowance

When to use the £1,000 trading allowance versus claiming actual expenses. Includes eligibility rules, relief types, and the …

Keep business records as a sole trader

What records you must keep as a sole trader, how long to retain them, and how to prepare …

PAYE year-end tasks

What employers must do at the end of the tax year for PAYE compliance.

Prepare for an HMRC PAYE compliance check

What to expect and how to prepare when HMRC reviews your PAYE records.

Report expenses and benefits (P11D)

How to report taxable benefits in kind to HMRC, including company cars, medical insurance, loans, and share schemes. …

Organising your business finances

Essential financial management practices - bank accounts, bookkeeping, and record keeping.

Go full-time with your business

Practical guidance for transitioning from employment to full-time self-employment. Covers financial preparation, legal obligations, tax registration, replacing employer …

Close your PAYE scheme

How to permanently close your PAYE scheme with HMRC, including final FPS submission, issuing P45s to all employees, …

File your final Self Assessment return

How to file your final Self Assessment tax return when you stop being self-employed. Covers deadlines, tax calculations, …

Understand Self Assessment supplementary pages

Reference guide to all SA100 supplementary pages. Find out which pages you need to complete, what each one …

Correct your Self Assessment return

How to amend your Self Assessment return within the 12-month window, claim overpayments after the window closes, and …

Report capital gains on your Self Assessment

How to report capital gains using SA108, including the annual exempt amount, CGT rates, the 60-day residential property …

Pay your Self Assessment tax bill

How to pay your Self Assessment tax bill, including payment methods, payments on account, Budget Payment Plan, and …

Report property income on your Self Assessment

How to report rental income on your Self Assessment using SA105 - allowable expenses, mortgage interest restriction, property …

Avoid Self Assessment penalties

Complete guide to Self Assessment penalties - how late filing charges escalate from a £100 fixed penalty to …

Corporation Tax annual compliance checklist

Year-end checklist to verify your Corporation Tax compliance is complete.

Handle an HMRC Self Assessment enquiry

What happens when HMRC opens an enquiry into your Self Assessment return, what triggers one, your rights, how …

Legislative context

Official guidance

Authoritative sources from regulators explaining this legislation.