BC, NL or PEI Payroll in July 2026? Your Exact Prorated Rate by Province

What Actually Changed on July 1, 2026 — And What Did Not

In early June 2026, the CRA released the 123rd edition of Guide T4127, Payroll Deductions Formulas, effective with the first payroll run in July 2026. This is CRA's twice-a-year formula update: a January edition that sets the year's baseline rates, and a July edition that catches up any provincial tax change announced after January 1st that still applies to the full calendar year. Most years, the July edition changes little or nothing. This year it does — but only in three provinces.

Here is the entire scope of the July 2026 update in one line: British Columbia, Newfoundland and Labrador, and Prince Edward Island each announced a provincial income tax change partway through 2026, and CRA is prorating the remaining six payroll periods (July through December) to collect the correct annual tax. CRA states explicitly in the guide that "there is no change for Alberta, Manitoba, New Brunswick, Northwest Territories, Nova Scotia, Nunavut, Ontario, Saskatchewan, Yukon or Outside Canada." Quebec uses its own Revenu Québec tables and is unaffected by this federal guide.

Source: CRA Guide T4127, 123rd edition, Chapter 8 ("What's new for July 1, 2026"), effective the first payroll of July 2026.

British Columbia: A Higher Rate, Softened by a Bigger Tax Reduction

BC announced on February 17, 2026 that its lowest personal income tax rate would rise from 5.06% to 5.60% for all of 2026, and that the basic tax reduction would increase from $562 to $690. Payroll systems, however, had already been withholding at the lower, pre-announcement rate since January 1st. To collect the correct full-year tax by December 31st, CRA's prorated formula lifts the effective rate on the first $50,363 of taxable income to 6.14% for the six remaining pay periods — higher than the 5.60% annual rate, because the shortfall from January through June has to be made up in half the time.

The basic tax reduction works the same way in the opposite direction: BC increased it to $690 for the full year, but only $575 was applied January through June (the indexed, pre-announcement figure), so the prorated July–December reduction rises to $805 to compensate. For most BC employees in the lowest bracket, the net effect is a modest decrease in take-home pay starting with the first July paycheque — the reduction increase offsets some, but not all, of the higher rate.

Newfoundland and Labrador: A Rare Mid-Year Pay Bump

NL raised its Basic Personal Amount from $11,188 to $13,094 effective January 1, 2026, announced April 29, 2026. Because payroll had been using the lower $11,188 figure for the first six months, the prorated Basic Personal Amount for July through December jumps to $15,000 — well above the $13,094 annual figure — so that the full year averages out correctly. A higher basic personal amount shields more income from provincial tax, so most NL employees should see their take-home pay tick up starting with the first July payroll run, not down. Employers do not need employees to file a new TD1NL if one was already on file before July 1, 2026 — the prorated amount is applied automatically by the payroll formula.

Prince Edward Island: A Narrow Change for High Earners Only

PEI introduced a new top tax bracket on April 14, 2026: a 20% rate on taxable income above $200,000, for all of 2026. Since payroll had been applying the prior 19% top rate to that income band for the first half of the year, the prorated rate for July through December rises to 21% — again, higher than the 20% annual figure, to make up the January–June shortfall in six months instead of twelve. This is the narrowest of the three changes: it affects only employees earning more than $200,000 in annual taxable income, a small share of PEI's workforce. Everyone earning below that threshold sees no change from this update.

Why the Prorated Rate Is Never the Same as the Annual Rate

This is the part that confuses employees the most, and it is worth stating plainly: the prorated rate that shows up on your July–December pay stub is not the tax rate the province actually legislated for the year. BC's legislated 2026 rate is 5.60%, but your paycheque shows 6.14% from July onward. PEI's legislated top rate is 20%, but the paycheque shows 21%. This gap exists purely because of timing — six months of withholding at the old rate has to be corrected inside the remaining six months, so the correction has to overshoot the annual rate to land on the right total.

None of this changes what you actually owe. Your real tax liability for 2026 is calculated once, on your T1 return filed in spring 2027, using the true annual rates and thresholds — 5.60% for BC's lowest bracket, $13,094 for NL's Basic Personal Amount, 20% for PEI's top bracket. If your employer withheld too much or too little because of the mid-year proration, that difference is settled through your refund or balance owing at filing time. The prorated payroll rate is a withholding mechanic, not a change to your tax bill.

What Stays Exactly the Same

It is easy to assume a "mid-year CRA payroll update" touches CPP or EI, since those are the two deductions every employee recognizes on a pay stub. It does not. CRA states directly in the T4127 guide that Chapter 6 (Canada Pension Plan) and Chapter 7 (Employment Insurance) formulas "have not changed" and were not reproduced in the July edition. The full 2026 picture for those two programs was set once, on January 1, 2026, and holds for the entire calendar year:

None of these six figures move in July. If your payroll deductions changed and you are not in BC, NL, or PEI, the change came from somewhere else — a raise, a bonus pushing you into a new bracket, a benefit enrollment, or a payroll system error worth flagging to HR. For the exact math on how EI premiums and benefits interact across a full year, see our guide to maximizing EI benefits.

A Preview of What Is Coming January 1, 2027

The same T4127 guide flags two changes already announced for the next mid-year cycle, which is really the January 2027 baseline. First, BC announced that indexation of its personal income tax brackets and non-refundable tax credits will pause at 2026 levels for the 2027 through 2030 tax years (with an exception for the Renter's Tax Credit), resuming in 2031. Second, and more broadly relevant, the federal government announced on April 28, 2026 an intention to reduce the CPP base contribution rate from 9.90% to 9.50% effective January 1, 2027 — which for employees means the base rate drops from 4.95% to 4.75%. The CPP2 (first and second additional) contribution rates are explicitly unaffected by that proposed change. Nothing about either announcement affects a single 2026 pay period; both are 2027-and-later changes flagged now so payroll systems have lead time.

Employer Checklist Before the First July 2026 Payroll Run

• No employees in BC, NL, or PEI: no action needed. Your formulas are unchanged.
• Employees in BC, NL, or PEI: confirm your payroll software or in-house system has loaded the T4127 123rd edition (or the corresponding updated T4032 tables) before processing the first July pay period.
• No new TD1 forms required for these specific changes — the prorated figures apply automatically at the formula level, not through employee paperwork.
• Communicate early. A short heads-up to affected employees before payday — explaining this is a routine CRA proration, not a payroll error — prevents a flood of "why did my pay change" questions.

The Bottom Line

CRA's July 2026 payroll update is real, but it is narrow: three provinces, provincial income tax only, and a proration mechanic that corrects for a mid-year rate announcement, not a new tax. BC employees see a modest decrease in net pay, NL employees generally see a modest increase, and PEI employees earning under $200,000 see nothing at all. CPP and EI are untouched, and every other province's payroll formulas are identical to what they were in June. If you are trying to track down why a specific benefit payment changed this July instead — CCB, GST/HST credit, OAS, or GIS — that is a separate re-indexation event covered in our CRA benefit increases July 2026 breakdown; payroll withholding and benefit indexation move on different calendars and different triggers, even though both land in the same month this year.