6 worked Saskatchewan PST Registration case studies — the position a client typically comes to us with, what we do, and what it is worth. Each is an illustrative example built on the rules that apply to saskatchewan pst registration work, not a specific client's file.
Case Study 1 · Backlog brought current
$29,500 Of Arbitrary Assessments Vacated After 5 Years — Interprovincial Construction Supplier, Calgary
Client: A construction supplier selling into three provinces · Where: Calgary, Alberta · Engagement: 3 weeks, fixed fee
Arbitrary tax vacated$29,500
Years brought current5
Account statusCurrent
The situation — A construction supplier selling into three provinces, Calgary, Alberta
5 years of unfiled returns had turned into notional assessments at a construction supplier selling into three provinces in Calgary, Alberta. Underneath lay nil periods left unfiled, which held up the refund on the one period that mattered. Collections had already started.
What we did for A construction supplier selling into three provinces, Calgary, Alberta
We backdated the registration to the date the business stopped being a small supplier, remitted the tax owing, and applied for relief on the penalty portion. We then filed every outstanding year in chronological order so the CRA could vacate the notional assessments cleanly.
The result — A construction supplier selling into three provinces, Calgary, Alberta
All 5 years were accepted as filed. $29,500 of arbitrarily assessed tax was vacated, collections action stopped, and the account is current for the first time in 5 years.
Case Study 2 · Cash and remittance control
Remittance Schedule Corrected, $118,000 Refunded — Freight Brokerage, Regina
The situation — A freight brokerage, Regina, Saskatchewan
Remittances at a freight brokerage in Regina, Saskatchewan were consistently late by a few days. That was enough to trigger penalties every quarter. Behind it sat a commercial property purchase closed on the assumption no tax applied because the vendor was not registered.
What we did for A freight brokerage, Regina, Saskatchewan
We assembled the export documentation, restored zero-rating on the qualifying sales, and reduced the proposed assessment. Then we moved the remittance dates into a scheduled process rather than a monthly decision.
The result — A freight brokerage, Regina, Saskatchewan
Penalties stopped from the following remittance onwards, and $118,000 of overpaid instalments was refunded.
Case Study 3 · Sale and succession
Intergenerational Transfer Completed With $400,000 Deferred — Digital Platform Seller, Mississauga
Client: A platform seller collecting tax at checkout · Where: Mississauga, Ontario · Engagement: 11 weeks, fixed fee
Tax deferred$400,000
TransferCompleted
RecordsReview-ready
The situation — A platform seller collecting tax at checkout, Mississauga, Ontario
A generational transfer at a platform seller collecting tax at checkout in Mississauga, Ontario had been discussed for years without a plan. A single shareholder holding every share, with no room to multiply the exemption meant the transfer as contemplated would have been fully taxable.
What we did for A platform seller collecting tax at checkout, Mississauga, Ontario
We brought the nil and missing periods current so the account was clean before the refund claim was filed. We sequenced the steps so each one was complete and documented before the next depended on it.
The result — A platform seller collecting tax at checkout, Mississauga, Ontario
$400,000 of tax was deferred through the transfer, and the successor generation took over a corporation whose records stood up to review.
Case Study 4 · Records and systems rebuilt
30 Months Reconciled And $3,600 Of Input Tax Recovered — Used-Equipment Dealer, Red Deer
Client: A used-equipment dealer · Where: Red Deer, Alberta · Engagement: 10 weeks, fixed fee
Months reconciled30
Input tax recovered$3,600
Close time6 days
The situation — A used-equipment dealer, Red Deer, Alberta
Nothing reconciled at a used-equipment dealer in Red Deer, Alberta. Every filing started with 30 months of cleanup. The file was carrying a sales tax account filed annually while the CRA had moved the business to quarterly.
What we did for A used-equipment dealer, Red Deer, Alberta
We rebuilt from source rather than correcting on top of the existing file. We rebuilt the sales ledger by customer province and applied the correct place-of-supply rate to each stream. We filed corrected returns before the CRA opened a review. Then we set the routine that keeps it clean.
The result — A used-equipment dealer, Red Deer, Alberta
30 months reconciled to the bank. The close now takes 6 days, and $3,600 of previously unclaimable input tax was recovered in the process.
Case Study 5 · Missed incentive claimed
$123,000 In Credits Claimed That Prior Filings Had Missed — Late GST/HST Registrant, Ottawa
Client: A seller who crossed the registration threshold before registering · Where: Ottawa, Ontario · Engagement: 11 weeks, fixed fee
Credits claimed$123,000
Years adjusted5
Review outcomeNo adjustment
The situation — A seller who crossed the registration threshold before registering, Ottawa, Ontario
A seller who crossed the registration threshold before registering in Ottawa, Ontario had been filing for 5 years. In that time, the incentives its activity qualified for were never claimed. Behind that sat management fees between two related registrants carrying tax that only ever went out and came back.
What we did for A seller who crossed the registration threshold before registering, Ottawa, Ontario
We tested each activity against the eligibility criteria rather than the description on the invoice. Then we set a defensible input tax credit allocation between taxable and exempt supplies and documented the method for future filings.
The result — A seller who crossed the registration threshold before registering, Ottawa, Ontario
$123,000 in credits claimed, with the open prior years adjusted as well. The claim passed review without adjustment.
The situation — A wholesale food distributor, Windsor, Ontario
A wholesale food distributor in Windsor, Ontario had already missed one deadline and was about to miss a second. Behind it sat input tax credits claimed on the exempt side of a mixed-supply business. A penalty of $73,000 was accruing.
What we did for A wholesale food distributor, Windsor, Ontario
We split the work into what had to happen before the deadline and what could follow it. Then we self-assessed the tax on the real property acquisition in the correct reporting period and claimed the offsetting input tax credit in the same return.
The result — A wholesale food distributor, Windsor, Ontario
The outstanding return was accepted as filed, and the taxpayer relief application cancelled $73,000 of the penalty already assessed on the earlier year.
Reviewed by Udit Gupta, Founder and Tax Accountant for the 2025 tax year. These case studies are illustrative worked examples composed from the CRA rules that apply to this type of work, not specific client files; figures are representative and outcomes depend on your own facts.
