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Contents

Official guidance
National Insurance Manual
  • NIM00001 · Overview and Purpose
  • NIM01000CO · Class 1 National Insurance contributions
  • NIM13000CO · Class 1A National Insurance contributions
  • NIM18000 · Class 1B National Insurance Contributions
  • NIM20000CO · Class 2 National Insurance Contributions (NICs)
  • NIM24000CO · Class 4 National Insurance Contributions
  • NIM25000CO · Class 3 National Insurance contributions
  • NIM27000CO · Special cases
  • NIM37000CO · NIM37000CO - Refunds of NICs
  • NIM39000 · National Insurance Numbers: Main Contents
  • NIM41000 · Credits: overview - contents
  • NIM41300 · Home Responsibilities Protection
  • NIM70000 · Class 2 National Insurance contributions from 6 April 2015: General information
  • NIM71000 · Class 2 National Insurance contributions from 6 April 2015: international
  • NIM72000 · Class 2 National Insurance contributions from 6 April 2015: payments
  • NIM73000 · Class 2 National Insurance contributions from 6 April 2015: Small Earnings Exceptions
  • NIM74000 · Class 2 National Insurance contributions from 6 April 2015: special cases
  • NIM75000 · Class 2 National Insurance contributions from 6 April 2015: Maternity Allowance
  • NIMAPP1-0 · Appendix 1: Draft letters
  • NIMABBR · Abbreviations
  • APPENDIX10 · Class 1 Contribution Tables and Category Letters from 6 April 2003
  • NIM-Appendix-3 · Appendix 3
  • NIM00005 · Tax law rewrite: implications for National Insurance contributions
  • NIM00006 · Tax law rewrite: implications for the NIM
  • NIM01251 · Class 1 structural overview - from April 2009: structural changes: the Class 1 and 2 annual maximum: the calculation method
  • NIM01253 · Class 1 structural overview from 6 April 2003: structural changes: the Class 1 and 2 annual maximum: married women's and widows' with reduced rate elections
  • NIM01298 · Class 1 structural overview: abolition of secondary NICs for those employees under the age of 21: category letters
  • NIM01299 · Class 1 structural overview: abolition of secondary NICs for those employees under the age of 21: assessment
  • NIM01311 · Class 1 structural overview: abolition of secondary NICs for apprentices under the age of 25: assessment
  • NIM01510 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone special tax site employees: qualifying employers
  • NIM01515 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone special tax site employees: qualifying conditions for employees
  • NIM01525 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone employees: exemptions due to protected characteristics
  • NIM01550 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone special tax site employees: zero-rate of secondary Class 1 NICs for employees under the age of 21, apprentices under the age of 25 and Armed Forces Veterans
  • NIM01555 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone special tax site employees: aggregation
  • NIM01560 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone special tax site employees: mariners
  • NIM01570 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone special tax site employees: examples
  • NIM01571 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone special tax site employees: examples: Example 1 – Employee is not a qualifying employee
  • NIM01572 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport employees: examples: Example 2 – 60% rule met at start of employment but under 60% in a week, not a substantial change in the earner’s working arrangements, earnings above the FUST
  • NIM01573 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone employees: examples: Example 3 – Substantial change in the earner’s working arrangements
  • NIM01574 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone employees: examples: Example 4 – Substantial change in employee’s working arrangements due to reallocation of duties
  • NIM01575 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone employees: examples: Example 5 – Substantial change in employee’s working arrangements due to additional responsibilities
  • NIM01576 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone employees: examples: Example 6 – Substantial change in employee’s working arrangements due to reduction in hours and redistribution of duties
  • NIM01577 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone employees: examples: Example 7 – Substantial change in employee’s working arrangements
  • NIM01578 · Class 1 Structural Overview: zero-rate of secondary NICs for Freeport and Investment Zone employees: examples: Example 8 – Substantial change in employee’s working arrangements which starts a qualifying period after the employment started
  • NIM02083 · NIM02083 - Class 1 NICs : Earnings of employees and office holders : Community Charge paid by the employer : Standard Community Charge paid by the employer on relocation
  • NIM02780 · Class 1 NICs: earnings of employees and office holders: retirement benefits schemes from 6 April 2006: employer-financed retirement benefits schemes: payments from such schemes: authorised member payments: flowchart: first considerations
  • NIM02781 · Class 1 NICs: earnings of employees and office holders: retirement benefits schemes from 6 April 2006: employer-financed retirement benefits schemes: payments from such schemes: authorised member payments flowchart: pensions
  • NIM02782 · Class 1 NICs: earnings of employees and office holders: retirement benefits schemes from 6 April 2006: employer-financed retirement benefits schemes: payments from such schemes: authorised member payments: flowchart: lump sums
  • NIM02783 · Class 1 NICs: earnings of employees and office holders: retirement benefits schemes from 6 April 2006: employer-financed retirement benefits schemes: payments from such schemes: authorised member payments: flowchart: pension commencement lump sums
  • NIM02784 · Class 1 NICs: earnings of employees and office holders: retirement benefits schemes from 6 April 2006: employer-financed retirement benefits schemes: payments from such schemes: authorised member payments: serious ill-health lump sums
  • NIM05505 · Class 1 NICs: Expenses and allowances: HMRC Dispensations: What are they?
  • NIM05510 · Class 1 NICs: Expenses and allowances: HMRC Dispensations: Employers to be encouraged to apply for dispensations
  • NIM05515 · Class 1 NICs: Expenses and allowances: HMRC Dispensations: Conditions to be satisfied for issue of dispensation
  • NIM05520 · Class 1 NICs: Expenses and allowances: HMRC Dispensations: Dispensation notice and letters
  • NIM05525 · Class 1 NICs: Expenses and allowances: HMRC Dispensations: Lists of dispensations issued
  • NIM05530 · Class 1 NICs: Expenses and allowances: HMRC Dispensations: Accepting dispensations for NICs purposes
  • NIM05535 · Class 1 NICs: Expenses and allowances: HMRC Dispensations: Accepting dispensations for NICs purposes: Change in conditions of issue of dispensation
  • NIM05645 · Class 1 NICs: Expenses and allowances: Civic dignitaries' and Councillors’ allowances: Civic dignitaries’ mileage allowances
  • NIM06445 · Class 1 NICs: Expenses and allowances: Electric Cars: Charging Employees Electric Cars at home using their own electricity with no reimbursement
  • NIM07067 · Class 1 NICs: Payments made under employment legislation: Re-allocating primary NICs paid on a payment made under a reinstatement order, a re-engagement order, an order for the continuation of a contract of employment or a protective award:
  • NIM10066 · Aggregation of earnings: examples: contracted-out and not contracted-out: Appropriate Personal Pension (APP) in place: not contracted-out earnings reach or exceed LEL but do not reach UEL
  • NIM11005 · Class 1: calculating & recording earnings, NICs & NIC rebates: rates, limits, thresholds, rebates and P11 completion
  • NIM11027 · Class 1: calculating & recording earnings, NICs & NIC rebates: rates, limits, thresholds, rebates and P11 completion: 2002/03 earnings limits, thresholds and percentage rates
  • NIM12125 · Class 1: Treating as paid: Negligence established
  • NIM18000CO · NIM18000CO - Class 1B National Insurance Contributions
  • NIM33201 · Voluntary National Insurance contributions for periods abroad – Introduction
  • NIM33202 · Voluntary National Insurance contributions for periods abroad – Entitlement to pay voluntary Class 2 contributions up to and including 5 April 2026
  • NIM33203 · Voluntary National Insurance contributions for periods abroad – Entitlement to pay voluntary Class 3 contributions up to and including 5 April 2026
  • NIM33204 · Voluntary National Insurance contributions for periods abroad – Entitlement to pay voluntary Class 3 contributions from 6 April 2026
  • NIM33205 · Entitlement to pay voluntary contributions – Transitional arrangements for April 2026 to April 2027
  • NIM33206 · Voluntary National Insurance contributions for periods abroad – Conditions to pay voluntary contributions for periods abroad not satisfied
  • NIM33207 · Voluntary National Insurance contributions for periods abroad – Provisions in Social Security Agreements affecting the payment of voluntary National Insurance contributions
  • NIM33208 · Voluntary National Insurance contributions for periods abroad – Entitlement to pay voluntary contributions for periods abroad after a 52 week Class 1 liability ends
  • NIM33209 · Voluntary National Insurance contributions for periods abroad – Conditions of payment of voluntary Class 2 or Class 3 contributions
  • NIM33210 · Voluntary National Insurance contributions for periods abroad – Conditions of payment of Class 3 contributions: transfers to the Communities pension scheme
  • NIM33215 · Voluntary National Insurance contributions for periods abroad – Persons coming into the UK
  • NIM33601 · Persons going to and coming from abroad: Paying voluntary NICs - Going to countries not covered by the EC Regulations or a RA:
  • NIM33602 · NIM33602 - Persons going to and coming from abroad: Paying voluntary NICs - Going to countries not covered by the EC Regulations or a RA: Conditions for Class 3 NICs
  • NIM33603 · Special Cases - Persons going to and coming from abroad: Paying voluntary NICs - Going to countries not covered by the EC Regulations or a RA: Conditions for voluntary Class 2 NICs
  • NIM33604 · Persons going to and coming from abroad: Paying voluntary NICs - Going to countries not covered by the EC Regulations or a RA: Ways of paying voluntary NICs
  • NIM33605 · Special Cases - Persons going to and coming from abroad: Paying voluntary NICs - Going to countries not covered by the EC Regulations or a RA: Employed person returns to UK
  • NIM33606 · Persons going to and coming from abroad: Paying voluntary NICs - Going to countries not covered by the EC Regulations or a RA: Self-employed person
  • NIM33608 · Persons going to and coming from abroad: Paying voluntary NICs - Going to work in countries not covered by the EC Regulations or a RA: Conditions of payment of voluntary Class 2 or 3 NICs
  • NIM33620 · Special Cases - Persons going to and coming from abroad: Paying voluntary NICs - Coming from countries not covered by the EC Regulations or a RA: Liability for Class 2 NICs
  • NIM33621 · Persons going to and coming from abroad: Paying voluntary NICs - Coming from countries not covered by the EC Regulations or a RA: Conditions for voluntary Class 2 NICs and Class 3 NICs
  • NIM33630 · Persons going to and coming from abroad: Paying voluntary NICs - paying voluntary contributions: going to another EEA country
  • NIM33635 · Persons going to and coming from abroad: Paying voluntary NICs - Workers going to and coming from abroad: Going to a RA country
  • NIM42000 · NICs avoidance
  • NIM50051 · NICs avoidance: treating payments as earnings: introduction
  • NIM50100 · NICs avoidance: treating payments as earnings: gains from share options
  • NIM51001 · NICs Avoidance: Part 7 of the Income Tax (Earnings and Pensions) Act 2003 - employment related securities
  • NIM52151 · NICs Avoidance: Employment income provided through third parties: Class 1 NICs liability arises
  • NIM52350 · NICs avoidance: employment income provided through third parties: earnings paid to or for the benefit of an earner
  • NIM52550 · NICs avoidance: employment income provided through third parties: remittance basis applies for income tax
  • NIM52700 · NICs avoidance: employment income provided through third parties: effect of income tax relief on NICs position - general
  • NIM52900 · NICs avoidance: employment income provided through third parties: Employer Financed Retirement Benefit Schemes - payments disregarded from earnings
  • NIM52950 · NICs avoidance: employment income provided through third parties: Employer Financed Retirement Benefit Schemes - relevant step related to disregarded earnings
  • NIM53000 · NICs avoidance: employment income provided through third parties: Employer Financed Retirement Benefit Schemes - example 1 payments disregarded from earnings
  • NIM53555 · NICs avoidance: employment income provided through third parties: 2019 loan charge
  • NIM58200 · NICs avoidance: Disclosure of Tax Avoidance Schemes: NICs legislation - from 1 September 2012
  • NIM58250 · NICs avoidance: Disclosure of Tax Avoidance Schemes: NICs legislation - from 4 November 2013
  • NIM59001 · NICs avoidance: sham: considering sham
  • NIM59050 · NICs avoidance: sham: case law
  • NIM60001 · NICs avoidance: investigating avoidance: introduction
  • NIM60050 · NICs avoidance: investigating avoidance: section 8 decisions
  • NIM60200 · NICs avoidance: investigating avoidance: protecting debts
  • NIMAPP1 · Appendix 1: Draft Decision 6
  • NIMAPP1-1 · Appendix 1: Draft letters: Draft Letter 1
  • NIMAPP1-10 · Appendix 1: Draft Letter 10
  • NIMAPP1-11 · Appendix 1: Draft Letter 11
  • NIMAPP1-12 · Appendix 1: Draft Letter 12
  • NIMAPP1-13 · Appendix 1: Draft Decision 6
  • NIMAPP1-14 · Appendix 1: Draft Letter 4
  • NIMAPP1-15 · Appendix 1: Draft Decision 4
  • NIMAPP1-16 · NIMAPP1 - Appendix 1: Draft Letter 5
  • NIMAPP1-18 · Appendix 1: Draft Letter 7
  • NIMAPP1-19 · Appendix 1: Draft Letter 8
  • NIMAPP1-2 · Appendix 1: Draft Letter 2
  • NIMAPP1-20 · Appendix 1: Draft Letter 9
  • NIMAPP1-3 · Appendix 1: Draft Letter 3
  • NIMAPP1-5 · Appendix 1: Draft Decision 5
  • NIMAPP1-6 · Appendix 1: Draft Decision 1
  • NIMAPP1-7 · Appendix 1: Draft Decision 2
  • NIMAPP1-8 · Appendix 1: Draft Decision 3
  • NIMAPP1-9 · Spring development programme - Matt’s story
  • NIMUPDATE001 · NIM - National Insurance Manual: update index
  • NIMUPDATE100311 · National Insurance Manual: recent changes
  • NIMUPDATE100401 · National Insurance Manual: recent changes
  • NIMUPDATE100422 · National Insurance Manual: recent changes
  • NIMUPDATE100604 · National Insurance Manual: recent changes
  • NIMUPDATE100621 · National Insurance Manual: recent changes
  • NIMUPDATE100723 · National Insurance Manual: recent changes
  • NIMUPDATE100812 · National Insurance Manual: recent changes
  • NIMUPDATE101101 · National Insurance Manual: recent changes
  • NIMUPDATE101118 · National Insurance Manual: recent changes
  • NIMUPDATE110415 · National Insurance Manual: recent changes
  • NIMUPDATE110628 · National Insurance Manual: recent changes
  • NIMUPDATE110927 · National Insurance Manual: recent changes
  • NIMUPDATE120330 · National Insurance Manual: recent changes
  • NIMUPDATE120607 · National Insurance Manual: recent changes
  • NIMUPDATE121203 · National Insurance Manual: recent changes
  • NIMUPDATE130820 · National Insurance Manual: recent changes
  • NIMUPDATE131011 · National Insurance Manual: recent changes
  • NIMUPDATE140214 · National Insurance Manual: recent changes
  • NIMUPDATE140317 · National Insurance Manual: recent changes
  • NIMUPDATE140321 · National Insurance Manual: recent changes
  • NIMUPDATE140327 · National Insurance Manual: recent changes
  • NIMUPDATE140407 · National Insurance Manual: recent changes
  • NIMUPDATE140422 · National Insurance Manual: recent changes
  • NIMUPDATE140506 · National Insurance Manual: recent changes
  • NIMUPDATE140606 · National Insurance Manual: recent changes
  • NIMUPDATE140616 · National Insurance Manual: recent changes
  • NIMUPDATE140730 · National Insurance Manual: recent changes
  • NIMUPDATE140731 · National Insurance Manual: recent changes
  • NIMUPDATE141027 · National Insurance Manual: recent changes
  • NIMUPDATE141119 · National Insurance Manual: recent changes
  • NIMUPDATE141126 · National Insurance Manual: recent changes
  • NIMUPDATE141224 · National Insurance Manual: recent changes
  • NIMUPDATE150130 · National Insurance Manual: recent changes
  • NIMUPDATE150219 · National Insurance Manual: recent changes
  • NIMUPDATE150225 · National Insurance Manual: recent changes
  • NIMUPDATE150316 · National Insurance Manual: recent changes
  • NIMUPDATE150406 · National Insurance Manual: recent changes
  1. National Insurance Manual
  2. Appendix 3

NIM-Appendix-3 | Appendix 3

From HM Revenue & Customs · National Insurance Manual

Business in association – List of questions to help decide whether two or more employers are carrying on business with each other

  1. Premises

  2. Are these shared?

  3. If so, to what extent?

  4. How are the charges for fuel, rates, water, etc, discharged?

  5. Does one company pay or do each share a proportion of the cost?

  6. What is the proportion for each company?

  7. How is this decided?

  1. Staff

  2. Do the companies have staff in common?

  3. If so, whom?

  4. If staff are shared, are they aware of this?

  5. By which company are they engaged or does their contract of service relate to all the companies, as appropriate?

  6. By which company are they paid?

  7. Are staff costs apportioned? If so, how?

  8. If a person engaged by one company undertakes work for another, is the latter charged for the services?

  1. Equipment

  2. Does each company have separate equipment?

  3. Is any equipment shared?

  4. Do any of the companies own vehicles?

  5. If so, are these used solely by the company which owns them or do the other companies also make use of them?

  6. How is fuel purchased and the vehicles maintained?

  1. Accounts

  2. Are separate accounts prepared?

  3. Does invoicing take place between the companies?

  1. Clients

  2. Do the companies have clients in common?

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