Longer supplier payment terms delay cash outflow and can reduce the funding needed between purchasing stock and collecting customer receipts. Model the change by moving each affected payment to its new valid date. Keep the purchase cost and eventual obligation in the forecast. An extension improves timing; it does not create operating profit by itself.

The benefit depends on purchase volume, terms, supplier pricing and the actual operating cycle. Confirm the agreement and applicable legal requirements before relying on a later date. Simply paying late is different from obtaining a valid extension.

Estimate the steady-state funding effect

Consider an illustrative Indore hardware distributor making ₹15,000 average daily credit purchases. At 15 days supplier credit, the approximate payable balance is ₹2,25,000. At 30 days, it becomes ₹4,50,000.

The additional 15 days therefore provides approximately ₹2,25,000 more supplier funding at the same purchase rate. This is a steady-trading estimate, not a prediction of an immediate cash receipt. The benefit emerges as invoices remain unpaid until their agreed later dates.

ICAI's working-capital and payables materials explain trade credit's role in financing operations, while also recognising costs and supplier consequences. A practical forecast needs both the funding benefit and the commercial terms attached to it.

Illustrative purchase pattern15-day terms30-day terms
Average daily credit purchases₹15,000₹15,000
Approximate supplier funding₹2,25,000₹4,50,000
Additional fundingNil₹2,25,000

Use the same price, tax and purchase basis on both sides. If longer terms change the supplier's price or required order quantity, update those inputs instead of assuming the entire timing benefit is free.

Move actual invoices in the weekly plan

Suppose a ₹1,50,000 invoice originally falls due in week 2 and a valid agreed change moves it to week 4. Week 2 and week 3 closing balances improve by ₹1,50,000 relative to the original schedule. Week 4 includes the payment and the temporary benefit unwinds.

Remove the original week 2 payment when entering the week 4 amount. Leaving both overstates outflows; deleting both invents a permanent saving. Keep the invoice reference and approval evidence so the revised timing can be checked.

A series of later payment dates can shift the cash low point into another month. Review the full horizon, including when customer receipts weaken or several supplier invoices cluster together.

For transactions covered by Chapter V of the MSMED Act, section 15 limits a written agreed payment period to 45 days from acceptance or deemed acceptance. A shorter agreed due date still matters; without such an agreement, the appointed-day mechanism applies. Check supplier status, acceptance facts and applicable requirements before modelling an extension.

Do not treat 45 days as a universal permission for every supplier invoice or as an automatic replacement for existing terms. The actual covered transaction and due date determine the obligation. Where those facts are unresolved, keep the current valid date in the base forecast until the review is complete.

An agreed commercial change also needs to be reflected in the supplier's records. A buyer's internal note alone does not establish that the supplier accepted a later settlement date.

Compare the cost of obtaining more time

Suppose longer terms increase the purchase price by 1%. At illustrative annual purchases of ₹54,00,000, the increase is ₹54,000 per year. Funding the additional ₹2,25,000 through another available source at a simple 12% annual cost would represent ₹27,000 per year, before fees and other differences.

Under those stated assumptions, paying ₹54,000 for the term extension costs more than the ₹27,000 comparison. This is not a recommendation for a particular financing product; it shows why a later date should not be assessed without its price effect and available alternatives.

Lost early-payment discounts can also be expensive. Compare the discount against the amount retained and the extra days, rather than comparing the discount percentage directly with an annual borrowing rate. ICAI's payables material highlights this difference in time bases.

Protect supply continuity

Discuss the reason for the request and propose a schedule the business can honour. A supplier may depend on prompt payment to deliver the next shipment. Unreliable settlement can lead to shorter terms, advance-payment demands or disruption at a critical time.

Check whether the extension creates a larger minimum order or security requirement. Those conditions can offset the cash benefit. More stock held for longer may require storage and increase obsolescence exposure.

For important suppliers, maintain a forecast of upcoming orders and payment dates. A transparent purchasing schedule can support a more workable discussion than repeatedly requesting urgent extensions after invoices are overdue.

Keep a record of the original due date

Retain the original terms, the valid change and the revised payment date together. This supports a clear review if the supplier's statement still shows the old schedule. It also helps accounts distinguish an agreed timing change from an invoice that is simply overdue and requires immediate attention.

Review the actual benefit

Compare the revised payable schedule with customer collection timing and the minimum operating cash level. Stress a customer delay so the business does not assume supplier credit will always bridge the gap.

After implementation, verify whether the expected cash improvement appeared and whether prices, delivery reliability or discounts changed. Longer terms are useful when they form part of a valid, sustainable operating arrangement. The forecast should show exactly when the benefit arrives, what it costs and when the cash must eventually leave.

Sources and references

Prepared 25 October 2026. Numerical examples are illustrative. Check the provisions and effective dates relevant to your transaction.