Understand deductions and net pay

Start with approved gross pay

Lesson 6 produced a traceable gross-pay schedule. Lesson 7 starts with that approved total and follows it through the payroll report. It does not reopen approved hours or decide whether a bonus was authorised. If the report’s gross pay does not agree with Lesson 6, stop at that boundary and resolve the input difference before reviewing deductions.

Four related but different figures

These amounts can be equal, but they do not have to be. The same payment can be included differently for PAYE, National Insurance, pension and minimum-wage purposes. Do not force one basis to match another merely because the labels sound similar.

The treatment is not a universal yes-or-no decision attached permanently to a gross-pay item. Payroll combines the payment, employee record, current instructions, tax-period position and scheme rules. A reviewer therefore checks the report’s bases and their evidence rather than maintaining a private spreadsheet of remembered rules.

Identify recognised instruction sources

A new employee may begin with P45 or starter information. HMRC may later issue a tax-code notice or another instruction through a supported payroll channel. The payroll record also needs supported National Insurance category evidence, pension scheme instructions, student or postgraduate-loan information and any applicable attachment or official order.

Contractual deductions and employee-authorised deductions use different evidence. Record the contract clause or prior written agreement rather than treating a manager’s message as authority. Overpayment recovery needs the supported recovery basis and a clear audit trail.

For every maintained instruction, retain:

• the employee ID;
• tax year and tax period;
• intended payment date;
• effective date;
• received date;
• stable instruction and source references;
• the instruction it supersedes, where applicable.

Select the applicable instruction

Confirm that the instruction belongs to this employee and is effective for this payment. A newer applicable notice supersedes the earlier version; the old instruction remains in the audit history but must not be selected for the current calculation. Future instructions and information received after the relevant processing point must not be silently backdated.

HMRC says employers should update a tax-code change as soon as possible and before the next applicable payment. Read HMRC’s employer tax-code guidance. Apply valid P45, starter or HMRC instructions through the supported payroll process.

Connect this to earlier lessons

Lesson 4 owns the P45 and starter information used to establish the employee’s initial payroll record. Lesson 5 owns worker assessment and pension configuration. Lesson 7 checks that the resulting instructions are present and applied to the correct report; it does not repeat those decisions.

Category, authority and destination answer different questions

The deduction category identifies what appears on the report. Authority explains the supported basis for taking money from the employee. Destination identifies where the deducted amount is reconciled.

GOV.UK lists common payroll deductions, including PAYE, employee National Insurance, loans, pensions, Payroll Giving and child-maintenance payments. Do not assume that the same operational evidence supports every category.

Official orders need their own controls

An attachment order can specify deduction ordering, payment frequency and protected earnings. A normal deduction may be restricted where it would take earnings below the protected amount stated by the order. Use the applicable order rather than a generic percentage or a value remembered from another employee. Read the attachment-of-earnings guidance.

Written authority does not settle minimum wage

An employer may have contractual or written authority for a deduction while the deduction still affects minimum-wage pay. Treat deduction authority and minimum-wage impact as separate controls. GOV.UK explains when deductions from pay may be made.

Keep employer liabilities separate

Employer National Insurance and employer pension contributions are employer liabilities. They affect the employer’s funding and reconciliation, but they do not reduce the employee’s net pay. Deductions retained as a supported overpayment recovery are also different from deductions that must be paid onward to HMRC, a pension provider or another authority.

Reveal each report layer

The reader below compares two fictional employees with the same gross pay. Reveal the layers in order so each variance has an identifiable source. The PAYE and National Insurance figures are supplied training values—not calculations derived from current statutory rates.

Read the four statuses independently

Arithmetic reconciled means gross pay minus the defined employee-deduction set equals reported net pay. Instructions evidenced means each deduction has the required category, authority, destination and applicable instruction. Maintained software required makes clear that the fictional reader has not verified statutory calculation correctness. Reviewer pending means a person still needs to decide whether the report is supported and ready.

Passing one status does not override another. A report can reconcile arithmetically while using a superseded tax instruction. Conversely, an unexpected net-pay value may be correct when every supported instruction and deduction explains it.

Read the funding summary by destination

This is not an amount payable to HMRC. The illustrative summary separates net pay, deductions due to HMRC, pension-provider amounts, other authority or third-party amounts, employer-retained recoveries and employer liabilities. It also shows that payment dates differ.

Apprenticeship levy, statutory-payment recoveries, compensation and wider employer offsets remain Lesson 8 controls. Do not add them casually to this individual report reader.

Use a controlled approval decision

For a positive net-pay result, perform the normal evidence and arithmetic review. Zero net pay requires review but can be legitimate. Negative net pay blocks payment approval: payroll cannot pay a negative amount. Investigate whether the applicable deduction must be limited, a balance carried forward or an order or recovery rule followed.

An unusually low positive net pay should create a warning against a controlled comparison, not automatic rejection. Check new instructions, pension status, deduction orders, recovery items and changes from the prior report. Retain the explanation even when the result is valid.

Lesson 7 stops at the individual result

This lesson approves whether an individual gross-to-net report is supported and internally coherent. Lesson 8 will control payroll-wide completeness, finalisation, FPS reporting, employee payments, liabilities and post-run records. The payment-file comparison here verifies the employee value; it does not replace the complete payroll-run reconciliation.

Three key takeaways

1. Gross, taxable, National Insurance and pensionable pay can differ when supported treatment and instructions apply.
2. Every deduction needs the correct category, authority, destination and effective instruction.
3. Arithmetic reconciliation, evidence completeness, statutory-software calculation and reviewer approval are separate statuses.

What comes next

Continue to Lesson 8, Gather, calculate and check payroll, to use these approved individual results to control the complete payroll run.