Treasury Bills vs FGN Bonds in Nigeria: What Is the Difference?

An informed guide for business owners, investors and taxpayers on Nigeria’s government securities, financial reporting and tax compliance.

Businesses and investors often hold funds that are not required for immediate expenditure. The question is then how those funds should be managed without losing sight of cash-flow requirements, investment risk, accounting treatment and tax obligations.

Two instruments frequently considered in Nigeria are Nigerian Treasury Bills (NTBs) and Federal Government of Nigeria (FGN) Bonds.

Although both are government securities, they operate differently. Understanding those differences is important because an investment that appears attractive on the basis of yield alone may not match a company's cash-flow needs, investment horizon or financial reporting requirements.

This article explains how the instruments work and examines the related tax, accounting and compliance issues relevant to Nigerian businesses. It is written for general educational purposes and should not be treated as personalised investment, legal or tax advice.

What Are Nigerian Treasury Bills?

Nigerian Treasury Bills, commonly called NTBs, are short-term government securities. The CBN describes them as securities issued at a discount with tenors ranging from 91 to 364 days. In practical terms, the investor purchases the Bill at the applicable price and receives the relevant maturity value, with the difference representing the return under the terms of the instrument. (Central Bank of Nigeria)

The CBN has also identified the commonly used NTB tenors as:

• 91 days
• 182 days
• 364 days

Government securities operate through primary and secondary markets, although the applicable investment process, minimum subscription and dealing arrangements may change over time. Investors should therefore verify the current auction or offer terms through official channels or authorised market participants before investing. (Central Bank of Nigeria)

What Are FGN Bonds?

FGN Bonds are longer-term debt securities issued by the Debt Management Office (DMO) for and on behalf of the Federal Government of Nigeria. By purchasing an FGN Bond, an investor is lending funds to the Federal Government for the period specified in the bond's terms. (DMO)

Unlike Treasury Bills, which are generally short-term instruments, FGN Bonds are designed for longer maturities. Bond terms may provide for periodic coupon or interest payments and repayment of principal at maturity.

The DMO continues to publish FGN Bond offer circulars and issuance information, including 2026 offer documents. (DMO)

Treasury Bills vs FGN Bonds: A Clear Comparison

The distinction is important because short-term money and long-term money should not automatically be treated in the same way.

A business that expects to need funds for payroll in six months, for example, should consider that cash-flow requirement before committing the funds to a longer-term security.

How Treasury Bills Work

The Treasury Bill process can be understood in five broad stages.

1. Government Issues the Security

The Federal Government raises funds through government securities within the relevant debt and financial-market framework.

2. The Bill Has a Defined Tenor

An NTB may have a maturity period of 91, 182 or 364 days.

3. Investors Participate Through the Applicable Market Process

Investors may participate through authorised market channels, subject to the current rules and terms of the issue.

4. The Bill Is Acquired at the Applicable Price

Treasury Bills are generally issued at a discount.

For example, purely for illustration, an investor may acquire a security with a face value of ₦1,000,000 for an amount below ₦1,000,000. The actual purchase price depends on the applicable auction or market terms.

5. The Investment Reaches Maturity

At maturity, the investor receives the amount due under the terms of the instrument.

The CBN states that short-term government securities may also be traded or otherwise realised before maturity through applicable market arrangements. (Central Bank of Nigeria)

How FGN Bonds Work

FGN Bonds operate on a longer investment timeline.

An investor generally considers:

• The bond's maturity date.
• The coupon or interest terms.
• The market yield.
• The purchase price.
• The timing of coupon payments.
• The possibility of selling before maturity.

The DMO explains that bondholders may receive periodic interest payments according to the bond terms and that the principal is repaid at maturity. FGN Bonds can also be traded in the secondary market, meaning the price received on an early sale may differ from the original purchase price. (DMO)

Understanding the Difference Between Coupon, Yield and Price

These three concepts are often confused.

Coupon

The coupon is the interest payment specified under the bond terms, usually expressed in relation to the bond's face value.

Yield

Yield is a measure of the return associated with a bond at its prevailing price.

Price

A bond's market price can change before maturity.

As a general market principle, bond prices and yields tend to move in opposite directions:

• When market yields rise, the market price of existing fixed-rate bonds may fall.
• When market yields fall, the market price of existing fixed-rate bonds may rise.

The actual outcome depends on the particular security, maturity, liquidity and market conditions.

The DMO explains the inverse relationship between bond price and yield in its FGN Bond information. (DMO)

Which May Be More Suitable for a Business?

There is no single answer for every business.

The decision should begin with cash-flow planning, not simply the advertised yield.

Treasury Bills May Be Relevant Where:

• Funds are genuinely surplus for a short period.
• The business expects to need the money within a year.
• Management wants an investment maturity that can be aligned with a known cash requirement.
• The investment fits within the company's approved treasury policy.

FGN Bonds May Be Relevant Where:

• The investment horizon is longer.
• The funds are not required for immediate operating needs.
• Management understands the potential effect of interest-rate changes on market value.
• The business has appropriate governance and investment approval procedures.

The relevant question is not simply:

Which investment pays more?

A more disciplined question is:

When will the business need the money, and does the investment maturity align with that requirement?

Important Risks and Considerations

Government securities may involve lower credit-risk considerations than many other investments, but that does not mean every investment outcome is identical.

Businesses and investors should consider:

Market Risk

A security sold before maturity may be sold at a price different from the purchase price.

Interest-Rate Risk

Longer-term fixed-income instruments can be more sensitive to changes in market interest rates.

Liquidity Needs

An investment may need to be sold or realised before the planned maturity date if the business experiences an unexpected cash requirement.

Inflation Risk

The purchasing power of future cash receipts may be affected by inflation.

Reinvestment Risk

When a Treasury Bill or Bond matures, future investment opportunities may offer different rates from those previously available.

The DMO's information on FGN Bonds discusses market, inflation and other considerations relevant to bond investments. (DMO)

Accounting for Treasury Bills and FGN Bonds

For a company, an investment in Treasury Bills or FGN Bonds should be properly reflected in its accounting records and financial statements.

The accounting treatment may depend on:

• The applicable financial reporting framework.
• The nature of the financial asset.
• Management's business model for holding the asset.
• The contractual cash-flow characteristics.
• Whether the instrument is held to collect contractual cash flows, sold, or managed under another business model.

Under IFRS-based financial reporting, classification and measurement of financial assets require careful consideration of the relevant requirements.

Businesses should maintain a complete investment file containing, where applicable:

• Purchase confirmations.
• Bank payment evidence.
• Auction or subscription documents.
• Investment statements.
• Coupon or interest records.
• Maturity records.
• Disposal records.
• Tax and reconciliation schedules.

A properly documented investment trail supports financial reporting, audit procedures and tax compliance.

Tax Treatment: Why the Law and Current Rules Matter

Tax treatment should not be assumed solely because an investment is described as a government security.

The DMO's published FGN Bond information states that interest income on the securities is tax exempt, while the CBN's published government securities information similarly refers to tax-free income on Treasury Bills. However, tax rules can be affected by legislation, amendments, effective dates and the circumstances of the taxpayer. A business should therefore confirm the applicable treatment under the law in force at the relevant time. (DMO)

This is particularly important where a business is preparing:

• Company income tax computations.
• Financial statements.
• Investment-income schedules.
• Deferred tax calculations, where applicable.
• Tax returns and supporting documentation.

The prudent approach is to verify the current statutory position before adopting a tax treatment.

Tax Credits, Reliefs and Legitimate Tax Opportunities in Nigeria

Every business should understand the distinction between lawful tax planning and unsupported attempts to reduce or avoid tax liabilities.

Tax opportunities may arise from provisions relating to:

• Tax exemptions.
• Tax credits.
• Capital allowances.
• Incentives applicable to qualifying activities or sectors.
• Reliefs available under applicable tax legislation.
• Deductibility of qualifying business expenses.
• Proper treatment of withholding taxes and other credits where legally available.

However, an incentive should not be claimed merely because it exists in a general publication or was available under an earlier law.

Before claiming any tax credit, relief or incentive, a business should confirm:

1. The exact law or regulation that provides the benefit.
2. Whether the provision is currently in force.
3. Whether the business meets the qualifying conditions.
4. Whether an application, approval or election is required.
5. Whether the benefit has a commencement or expiry date.
6. What documentation must be retained.
7. How the benefit should be reflected in the relevant tax return.

A legitimate tax opportunity is useful only when the taxpayer can demonstrate that the statutory conditions have been satisfied.

Why Every Business Should Comply With Tax Regulations

Tax compliance is broader than paying tax.

Depending on the business and the applicable legislation, compliance may involve:

• Proper registration.
• Maintaining accounting records.
• Identifying applicable taxes.
• Preparing accurate tax computations.
• Filing returns within statutory deadlines.
• Paying liabilities when due.
• Applying tax credits or reliefs correctly.
• Retaining supporting documentation.
• Reconciling tax returns with accounting records.

Tax compliance is also relevant to business governance.

A business that cannot explain its transactions, income, expenses, investments or tax positions may encounter difficulties when dealing with regulators, auditors, banks, investors or counterparties that require reliable financial information.

For businesses investing in Treasury Bills or FGN Bonds, the investment should form part of the wider accounting and tax control environment.

Why Businesses May Use a Professional Consulting Firm for Tax Compliance

Tax compliance can involve interpreting legislation, reconciling accounting records, identifying filing obligations and preparing returns based on accurate financial information.

A professional consulting firm may provide support by helping the business to establish an organised compliance process.

Potential advantages include:

1. Improved Review of Tax Positions

A structured professional review can help identify inconsistencies between accounting records, tax computations and filed returns.

2. Better Documentation

Tax positions should be supported by evidence.

Professional assistance may help organise:

• Invoices.
• Receipts.
• Bank records.
• Payroll information.
• Tax certificates.
• Investment records.
• Reconciliation schedules.

3. Identification of Applicable Tax Obligations

Different businesses may have different obligations depending on their activities, structure, location and transactions.

A proper review helps management identify the taxes and filing requirements that may apply.

4. Reduced Risk of Clerical and Computational Errors

Professional preparation and review can help reduce errors arising from incomplete records, incorrect calculations or inconsistent treatment.

However, no professional service can guarantee that an error will never occur. Management remains responsible for providing complete and accurate information.

5. Better Understanding of Lawful Tax Reliefs and Credits

A qualified adviser can help management review whether statutory reliefs, incentives, allowances or credits may apply to the business.

The emphasis should be on eligibility and documentation, not on aggressive or artificial tax arrangements.

6. Support During Regulatory Queries

A properly maintained compliance file can make it easier to retrieve records and explain filed positions when legitimate queries arise.

7. More Time for Management

Where tax processes are properly organised, business owners may devote more attention to operations while maintaining appropriate oversight of their statutory responsibilities.

The purpose of engaging a professional should therefore be to support accuracy, documentation, compliance and informed decision-making, rather than to transfer management's legal responsibility for the underlying business records.

Practical Tax Compliance Tips for Nigerian Businesses

Keep Business and Personal Transactions Separate

Separate bank accounts and properly maintained accounting records can improve the traceability of business transactions.

Reconcile Regularly

Do not wait until the filing deadline.

Reconcile:

• Sales records.
• Bank statements.
• Expenses.
• Payroll.
• VAT records, where applicable.
• Withholding tax records.
• Investment income.
• Government levies and statutory payments.

Review Tax Credits Before Filing

Where a business believes it has a credit or relief, confirm the legal basis and supporting evidence before applying it in a return.

Monitor Changes in Tax Law

Tax legislation and administrative procedures can change. Businesses should monitor official publications and commencement provisions rather than relying only on historical guidance.

Retain Supporting Documents

A tax return should be capable of being supported by accounting records and underlying transaction documents.

Do Not Treat Every Online Tax Claim as Applicable

A tax benefit available to one business, sector or transaction may not automatically apply to another.

A Practical Example: A Business With Temporary Surplus Cash

Consider a company that has ₦50 million available after meeting its immediate obligations.

Before investing, management should ask:

• Is any part of the ₦50 million required for payroll?
• Are major supplier payments approaching?
• Are taxes or statutory liabilities due soon?
• Is the company planning capital expenditure?
• What is the expected cash-flow position over the next 12 months?
• Does the board or management have an approved investment policy?
• How will the investment be recorded in the financial statements?
• What tax treatment applies under the law currently in force?

If the funds are required in the short term, a long-term investment may create unnecessary liquidity pressure.

If the funds can genuinely be committed for a longer period, management may then evaluate longer-term securities alongside other permitted investment options.

The decision should be supported by cash-flow forecasting, documentation and appropriate internal approval.

Key Takeaway: Treasury Bills vs FGN Bonds

Treasury Bills and FGN Bonds are both important instruments within Nigeria's government securities market, but they serve different investment horizons.

Treasury Bills are generally short-term instruments, with CBN information describing tenors of up to 364 days.

FGN Bonds are longer-term debt instruments, issued for the Federal Government through the DMO framework and generally involving a longer commitment of funds. (Central Bank of Nigeria)

For business owners, the choice should not be based only on yield.

A sound review should consider:

• Cash-flow requirements.
• Investment horizon.
• Interest-rate exposure.
• Liquidity needs.
• Accounting treatment.
• Applicable tax law.
• Internal controls and approval procedures.

Professional Support

Where a business requires assistance with accounting records, financial reporting, tax compliance or the review of investment-related accounting and tax implications, US & CO. (Chartered Accountant) may be contacted for professional assistance, subject to the scope of engagement and applicable professional and ethical requirements.

WhatsApp: 08056219998
Email:
Website: US & CO. (Chartered Accountant)

Frequently Asked Questions

1. What is the main difference between Treasury Bills and FGN Bonds in Nigeria?

The principal difference is the investment horizon. Treasury Bills are short-term securities with tenors generally ranging from 91 to 364 days, while FGN Bonds are longer-term debt instruments. (Central Bank of Nigeria)

2. How do Treasury Bills generate returns?

Treasury Bills are generally issued at a discount. The difference between the purchase price and the amount received at maturity represents the return under the terms of the instrument. (Central Bank of Nigeria)

3. How do FGN Bonds pay investors?

The terms of an FGN Bond may provide for periodic coupon or interest payments, with repayment of the principal at maturity. (DMO)

4. Can Treasury Bills or FGN Bonds be sold before maturity?

Government securities may be traded or otherwise realised before maturity through applicable market arrangements. The amount realised can depend on prevailing market conditions and the terms of the transaction. (Central Bank of Nigeria)

5. Are Treasury Bills suitable for businesses?

They may be considered as part of a business's treasury management where funds are genuinely surplus and the investment aligns with the company's cash-flow requirements and internal policies.

6. Does a higher yield automatically mean a better investment?

No. Yield should be considered alongside maturity, liquidity requirements, market risk, accounting implications and applicable tax treatment.

7. Are returns from Treasury Bills and FGN Bonds taxable in Nigeria?

Official CBN and DMO materials describe tax-exempt treatment for income from the relevant government securities. However, because tax laws can change and application may depend on the circumstances and law in force, taxpayers should verify the current statutory position before filing or making a tax decision. (Central Bank of Nigeria)

8. Why should a business maintain proper tax and accounting records for investments?

Proper records support accurate financial reporting, tax computations, reconciliations and the ability to explain the transaction history of an investment.

9. Why might a business engage a professional firm for tax compliance?

Professional support may assist with reviewing tax obligations, organising documentation, reconciling records and identifying applicable statutory provisions. Management should still ensure that information supplied to advisers is complete and accurate.

10. Where can I obtain official information on Nigerian government securities?

The Central Bank of Nigeria provides information on government securities and market processes, while the Debt Management Office Nigeria publishes information and offer materials relating to FGN Bonds.