How to Maintain a GST Rate Master with Supporting References
A rate master should record why a rate applies, which conditions matter and when that decision starts and ends. Keep prior versions for historical invoices.
Read guide · 4 minUnderstand your accounts, build reliable bookkeeping routines and work through GST questions with clear examples and source-linked explanations.

A rate master should record why a rate applies, which conditions matter and when that decision starts and ends. Keep prior versions for historical invoices.
Read guide · 4 minA useful description records the characteristics that distinguish the product. It supports classification evidence without turning the invoice into a technical manual.
Read guide · 5 minAnalyse the commercial package before setting invoice lines. Natural bundling, a principal supply and single-price conditions matter more than the label “combo.”
Read guide · 5 minCollect the contract and technical facts that establish whether the work concerns immovable property and involves transfer of property in goods.
Read guide · 5 minResolve difficult classifications by recording the customer’s rights and the actual supply, then checking statutory definitions and specific treatment provisions.
Read guide · 4 minStart from the agreed consideration, check whether transaction value applies, and reconcile required additions and permitted deductions to the invoice.
Read guide · 5 minUse the total inclusive price and the aggregate applicable GST rate. Subtracting the rate directly from the total gives the wrong taxable value.
Read guide · 5 minEstablish the taxable base before multiplying by the rate. An exclusive quotation needs clear treatment of discounts, freight, packing and tax heads.
Read guide · 5 minShow a qualifying discount in the invoice and calculate GST on the resulting taxable value. Make its commercial basis and allocation understandable.
Read guide · 5 minA later price concession does not automatically reduce GST. Establish the applicable law, discount evidence and recipient-credit treatment before issuing the note.
Read guide · 5 minRead who arranges transport, who owes the transporter and what the seller promises to deliver. A separate freight line does not automatically mean separate tax treatment.
Read guide · 5 minPacking charged by the supplier can form part of taxable value. Identify the actual arrangement before treating a separate line as a separate supply.
Read guide · 4 minReview what each additional charge pays for, who is liable and how it relates to the supply. A recovery label does not settle its GST treatment.
Read guide · 5 minIdentify who provides the support and whether it directly links to the selling price. The label “subsidy” alone does not answer the GST valuation question.
Read guide · 4 minRelated-party valuation starts with the relationship and supply facts. Keep the pricing method, comparable evidence and any full-credit condition review together.
Read guide · 4 minDifferent GST registrations can be distinct persons for GST. Keep the supply evidence and valuation method even when no external customer pays cash.
Read guide · 4 minNo cash charge does not answer every GST question. Identify the recipient, consideration, promotion structure and Schedule I position before choosing records.
Read guide · 5 minA cash top-up is not necessarily the full taxable value. Record both sides of the exchange and apply the relevant valuation method before billing.
Read guide · 5 minA GST credit note should explain the adjustment and preserve its original invoice trail. Correct fields and eligibility to reduce output tax are separate checks.
Read guide · 5 minA debit note records an increase in taxable value or tax for an earlier supply. Preserve the calculation and original invoice rather than rewriting history.
Read guide · 4 minA commercial credit note can settle a price concession without reducing output tax. A GST credit note needs the statutory basis and adjustment conditions.
Read guide · 4 minA revised tax invoice has a specific registration-related use. It is not a general label for silently replacing any invoice after issue.
Read guide · 5 minA receipt voucher records an advance before final billing. Identify the intended supply and applicable tax treatment, then preserve the link to later adjustment.
Read guide · 5 minA refund voucher has a specific no-supply, no-tax-invoice setting. Check that setting before choosing it instead of a credit note or other adjustment.
Read guide · 5 min