Preparing for a Saskatchewan PST audit: a practical records checklist

A Saskatchewan PST audit can interrupt even a well-run finance department. The most productive first step is usually straightforward: understand which records have been requested, who owns them, and how they reconcile to the returns already filed.

The Government of Saskatchewan explains that being selected for an audit does not, by itself, mean a business has failed to comply. The Ministry also identifies financial statements, general ledgers, invoices, tax returns and contracts among records that may be examined.

Start with the audit request

Before collecting every document in the business, confirm the scope of the review and the records actually requested. Identify the reporting periods, the entities involved and the deadline for responding.

Create a working list showing each item requested, where it is stored, who is responsible and whether it has been supplied. Save copies of correspondence and keep the version of each file that was provided.

Reconcile your reporting

A useful working file typically starts with the PST returns filed for the periods under review. Compare reported amounts to the relevant general-ledger accounts, sales reports and purchase data. Differences may have an ordinary explanation, but it is much easier to resolve them before answering questions than after several files have been exchanged.

Some records to organize, as relevant to the audit scope, include:

• Filed PST returns and payment confirmations.
• General ledgers, sales journals and purchase journals.
• Sales invoices, purchase invoices, credits and adjustment support.
• Capital additions and asset-purchase schedules.
• Documents supporting claimed exemptions or special tax treatment.
• Material contracts and intercompany transactions relevant to Saskatchewan operations.

Don't overlook purchases

A PST review isn't limited to the tax charged on customer invoices. Depending on the business, purchases from suppliers that did not collect Saskatchewan PST may raise self-assessment questions. This is particularly relevant when goods or services are acquired from outside the province.

Review purchase-side transactions against applicable Saskatchewan rules rather than assuming that the absence of PST on a supplier invoice means no further tax question exists.

Be precise with explanations

When an auditor asks about an unusual transaction, an invoice by itself may not tell the whole story. The agreement, the nature of the property or service, where it is used and the tax previously paid can all matter.

Good explanations are specific, supported by documents and consistent with the accounting records. If you are uncertain, say what needs to be confirmed rather than making an unsupported assertion.

Know where to find the official guidance

The Ministry publishes information on provincial tax audits, including guidance on disputes and additional information that may support an adjustment. Its Provincial Sales Tax overview is a useful starting point for the broader tax framework.

The right preparation does not guarantee a particular audit outcome. It makes it easier to answer questions accurately, recognize missing evidence and keep an organized record of what was reviewed.

Need help preparing a response? Contact Vertex Business Solutions to discuss the scope of your PST review and the records you have available.