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Bopva
The letters, forms and records behind Canadian retirement benefits · The Bopva Letter is posted every Tuesday
Re:

What your CPP Statement of Contributions is really telling you

One line for every year since you turned 18, and a letter code beside some of them. How to read the codes, what to compare them with, and why an error is easier to fix while it is young.

From The Bopva desk · Bopva
A woman in her early sixties going through a shoebox of old papers and photographs under a table lamp.
Fig. — Old T4 slips are the evidence if a year on the statement looks wrong. Illustrative photograph.

Dear reader,

The Canada Pension Plan retirement pension is calculated from one record: your earnings and contributions, year by year, since you turned 18. Service Canada calls the printout of that record the Statement of Contributions. It does not arrive by itself; you have to look it up or ask for it. Many people only see it for the first time when they apply for the pension, which is about the latest possible moment to discover that a year is missing.

This letter explains how to get the statement, how to read its columns and codes, and what to do if a line looks wrong.

Where to get it

The quickest route is My Service Canada Account: in the Canada Pension Plan section, “View my contributions” shows the statement, which you can print or ask to have mailed as an official copy.1 You can also write to Contributor Client Services, Canada Pension Plan, Service Canada, PO Box 818 Station Main, Winnipeg MB R3C 2N4.

There is one exception. If you have lived and worked only in Quebec, live in Quebec now, or live abroad with Quebec as your last province, the statement is not available through My Service Canada Account and Retraite Québec is the place to ask.1

The columns, in plain words

Year. The record starts the month after your 18th birthday, or January 1966 if that is later. It ends with the year you start a CPP retirement pension or disability benefit, or the year you turn 70; if neither has happened, it stops at the last full calendar year.

Pensionable earnings. Earnings from work or self-employment between a basic exemption and the yearly maximum, the YMPE. For 2026 the YMPE is $74,600.2 Earnings above the maximum appear as the maximum; a year below the minimum shows zero.

Your contributions. What you paid on those earnings. Employees and employers pay equal shares; self-employed people pay both.

The letter codes

The codes beside some years are where most of the information hides. Service Canada lists them on its statement page.1

What the codes mean
CodeMeaningWorth checking?
BEarnings below the basic exemption, so no valid contributionYes, if you worked full-time that year
MMaximum pensionable earnings reachedRarely
SSome or all contributions from self-employmentYes, compare with that year’s return
Q / CQQuebec Pension Plan contributions, or both plans in one yearYes, after a move
CSA credit split applies to that yearYes, after a separation
EChild-rearing period recognisedYes, if a child under 7 is not reflected
PContributions towards a post-retirement benefitIf you work while receiving CPP

Summary of the codes listed on canada.ca. The third column is our editorial suggestion, not an official instruction.

A short example of what to look for

Imagine a statement with these lines, invented for illustration: in 1987 the person worked full-time for a hardware chain, but the year shows B and zero earnings. In 1994 and 1995 they ran a small business; one year shows S, the other shows nothing. In 1999 a child was born and they stayed home for three years; those years show low earnings with no E.

Each of those lines deserves a question. The 1987 zero may be an employer that filed under the wrong number. The missing self-employment year may be a return where the CPP portion was not calculated. And the years at home may qualify for the child-rearing provision, which can credit a parent based on average earnings in the five years before the child was born, if that is higher than the actual earnings.1

Important

A low year is not automatically a mistake. Years of study, illness, caregiving or work abroad are expected, and the CPP calculation already drops a share of the weakest years. The point is to spot years that should not be low.

How to ask for a correction

Service Canada’s advice is to compare the statement with your T4 slips and to contact the CPP straight away if something is wrong or missing.1 Evidence makes the difference:

  • If you were employed: a copy of the T4 slip for the year, or a signed letter on company letterhead from each employer confirming your earnings and CPP contributions.
  • If you were self-employed: a copy of the T1 return and the Notice of Assessment for the year.

In My Service Canada Account, the “Request a review of a decision” option lets you ask Service Canada to reconsider; otherwise, write to the Winnipeg address above.

Why time matters

The Canada Pension Plan Act sets a limit on how long an entry in the record can be questioned. Under section 97, an entry about earnings or contributions is presumed accurate once four years have passed from the end of the year it was made, with exceptions written into the law for certain situations.3 Whether an exception applies is a question for Service Canada, not something to assume either way.

The practical lesson is simple. The older the year, the harder it is to find the T4 or the employer who issued it, and the more likely it is that the four-year presumption applies. Checking the statement at 55 is easier than at 65.

The record also shows life events

A CS code means a credit split has been applied for the years you lived with a spouse or partner. That is permanent and changes both records; the rules are in what happens to CPP credits after a separation or divorce. The same statement is also how Service Canada measures the period a couple lived together for pension sharing.

Who should look at theirs

  • Anyone planning to start CPP within the next five years.
  • Anyone who changed names, moved between Quebec and another province, or was self-employed.
  • Parents who stayed home with a child under 7.
  • Anyone who separated or divorced after living together for a year or more.

The takeaway

The Statement of Contributions is free, takes a few minutes to read, and is the document your pension is built on. Print it once, read the codes, and put it in the CPP pocket of the folder with any old T4 slips that back it up. If a line is wrong, the sooner you ask, the more evidence you will still have.

Yours sincerely,
The Bopva desk
Letters & records desk · bopva.org

P.S. The next letter goes out on Tuesday. If it does not reach you yet, the reply card is below.

Sources
  1. 1Government of Canada — Statement of contributions to the Canada Pension Plan — how to get it, column and code definitions, documents for corrections
  2. 2Government of Canada — CPP and OAS maximum amounts and related figures, 2026 — YMPE of $74,600 for 2026
  3. 3Justice Laws — Canada Pension Plan, section 97 — entries presumed accurate after four years, with exceptions
  4. 4Government of Canada — Canada Pension Plan in My Service Canada Account — "View my contributions" and requesting a mailed copy
Please note

This is private, sponsored information published by JBV Consultancy OÜ. Bopva is not a Government of Canada, Service Canada or Canada Revenue Agency website and is not affiliated with any of them. Nothing here is financial, tax or legal advice, and every figure is either quoted from the official sources above or a clearly labelled illustration, never a promise or an amount any reader will receive. There are no applications and no fees on this site. Never give your Social Insurance Number, banking details or My Service Canada Account or CRA sign-in details to a website in response to an article. For your own payments, use My Service Canada Account or contact Service Canada. Figures checked against official sources on .

Reply card

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Further enclosures

All enclosures
Encl. 1

How CPP pension sharing between spouses actually works

Two pensions go in, two come out, and the household total does not change. What does change is who pays tax on what.

CPP
5 min
Encl. 2

The Service Canada letters worth keeping in a folder

Approval letters, the T4A slips, the Statement of Contributions, the July GIS letter. What each one is, how long to keep it, and the line on each that deserves a second look.

Letters & records
7 min
Encl. 3

How to read a T4A(P) slip without guessing

Box 20 is the number that goes on the return, but it is rarely twelve times your monthly payment. Why, and which other boxes are worth checking.

Letters & records
5 min