An additional voluntary contribution is an optional pension contribution above required amounts, with plan-specific benefits, tax treatment, limits, and access rules.
An additional voluntary contribution (AVC) is an optional amount a pension-plan member pays above the contribution required for ordinary plan membership or benefits. The extra money may build a separate defined contribution balance, purchase additional pension benefits, or follow another formula stated in the plan.
AVC is most common in U.K., Irish, and Canadian pension terminology. Its legal definition, tax relief, investment choices, employer contribution, and payout rules vary by jurisdiction and plan. It should not be treated as a universal name for every extra retirement contribution.
The member elects an additional payroll percentage, fixed amount, or occasional lump sum if the plan permits it. The plan then applies the extra contribution under its AVC provision.
Two broad structures are common:
The first creates an investment balance; the second purchases a promise under plan rules. A member should not compare them using contribution amount alone.
| Jurisdiction | Common AVC meaning | Main source to verify |
|---|---|---|
| Canada | Voluntary member contribution to purchase additional benefits under a money purchase provision of a registered pension plan | Plan text, administrator, pension regulator, and CRA rules |
| United Kingdom | Extra contribution to a workplace pension or linked AVC arrangement; older separate contracts may be called FSAVCs | Scheme rules, provider, HMRC, and MoneyHelper |
| Ireland | Extra occupational-pension or qualifying personal retirement contribution, often discussed specifically as an AVC | Scheme, provider, Revenue, and pension authority guidance |
| United States | AVC is not the primary federal label; a plan may instead use voluntary after-tax, elective deferral, catch-up, or employee contribution | Written plan, payroll source, and IRS rules |
The same abbreviation can therefore produce different tax and benefit outcomes. Currency symbols, retirement ages, and tax-relief percentages should not be imported from another country’s example.
For a Canadian registered pension plan, the Canada Revenue Agency defines an AVC as a member contribution used to purchase additional retirement benefits under a money purchase provision. Participation in that provision must be voluntary rather than a general condition of plan membership.
A defined benefit plan can include a separate money purchase provision for AVCs. The main pension may still use a salary-and-service formula, while the AVC benefit depends on the accumulated account. Employer matching does not automatically form part of the AVC and can change the classification under the plan terms.
AVCs can affect the member’s pension adjustment and available registered retirement savings room. The plan administrator’s calculation should be used rather than estimating tax room from the cash contribution alone.
In the United Kingdom, AVCs commonly mean paying above the minimum into an existing workplace pension or an associated arrangement. An older separate pension established alongside the workplace scheme may be called a free-standing additional voluntary contribution (FSAVC) contract.
U.K. tax relief depends on the registered scheme, contribution method, earnings, and current allowances. Net pay and relief-at-source methods do not produce identical pay-stub mechanics. Access age, tax-free lump-sum treatment, transfer rights, and coordination with a defined benefit pension also depend on current law and scheme rules.
In Ireland, qualifying occupational-pension and personal retirement contributions, including AVCs, can receive income-tax relief subject to current age-related and earnings limits. Revenue notes that employee pension contributions do not necessarily receive relief from every payroll charge. The current rule and payroll method should be checked before estimating the net cost.
Assume a pension member earns $70,000 in the plan’s reporting currency. The plan requires a 4% member contribution and separately permits a 2% AVC:
| Contribution | Calculation | Annual amount |
|---|---|---|
| Required member contribution | $70,000 x 4% | $2,800 |
| Optional AVC | $70,000 x 2% | $1,400 |
| Total member contribution | $2,800 + $1,400 | $4,200 |
Only $1,400 is the additional voluntary amount. If it goes to a money purchase provision, its retirement value depends on investment performance and fees. If the plan instead uses it to purchase an added defined benefit, the plan’s conversion formula controls.
The example does not assume tax relief, employer matching, eligibility, or a particular currency or jurisdiction. Those facts must be added before calculating take-home cost or retirement benefit.
| Term | Key distinction |
|---|---|
| AVC | Optional member contribution above required pension amounts under plan and jurisdiction rules |
| Catch-up contribution | Extra amount permitted because statutory age, service, or other eligibility rules are met |
| Employer match | Employer amount triggered by an employee contribution under a formula |
| Non-Roth after-tax contribution | U.S. plan contribution made from taxed pay, with basis and taxable earnings |
| Pension service purchase | Payment to add eligible service or benefit credit under a pension formula |
| Personal pension contribution | Contribution to a separately owned retirement product rather than the employer plan’s AVC provision |
An AVC can overlap economically with one of these categories, but the governing plan label and law determine its treatment.
For a money purchase AVC, the result depends on:
For a defined benefit AVC, obtain the formula showing added annual pension, survivor benefits, indexation, retirement-date adjustments, and refund terms. A conversion quote should state whether it is guaranteed and for how long.
This article is general educational information, not individualized pension, tax, legal, payroll, benefits, or investment advice for any jurisdiction.