Letter of Explanation for Canadian Citizenship by Descent: When Is It Required?

If you believe you may qualify for Canadian citizenship by descent under Bill C-3, you may be preparing to apply for proof of Canadian citizenship.

While gathering your documents, you may need to include an additional document called a Letter of Explanation (LOE). Although it is not separately listed on the standard document checklist, it can be important when your application contains missing documents, inconsistent information or circumstances that require clarification.

Immigration, Refugees and Citizenship Canada (IRCC) provides instructions for applicants who cannot submit certain required documents. A clear explanation, supported by relevant evidence, can help IRCC understand your situation and may reduce the risk of your application being returned as incomplete.

What Is a Letter of Explanation for Canadian Citizenship?

A Letter of Explanation (LOE) is a written statement submitted with your citizenship application to explain missing documents, differences in personal information or other details that are not fully addressed in the application forms.

The letter helps immigration officers understand your circumstances and review the supporting documents provided with your application.

Unlike birth certificates, photographs and identification documents, an LOE does not have a separate entry on the standard Document Checklist (CIT 0014). However, IRCC's application instructions identify situations in which a written explanation is necessary.

Applicants may also choose to include an LOE voluntarily, particularly when their citizenship claim involves several generations or complicated family records.

When Do You Need a Letter of Explanation?

There are several situations in which applicants should submit an LOE with their Canadian citizenship by descent application.

1. When Required Documents Are Missing

If you cannot provide a required document, such as a birth, marriage or death certificate, you should include a letter explaining why it is missing.

You should also identify any alternative documents you are submitting to support your application. IRCC may return an incomplete application if the required evidence is not provided.

2. When You Cannot Obtain Documents From the Original Authority

IRCC requires reliable documents issued by the original authority responsible for maintaining the records.

If you cannot obtain these documents, explain the reason and provide evidence of your efforts to obtain them. This may include emails, correspondence with government offices or confirmation that the records are unavailable.

3. When There Are Differences in Names

Family records may contain different spellings of the same person's name. This can happen because of marriage, changes in surnames, spelling variations or errors in historical records.

An LOE can explain these differences and identify the supporting documents that establish that the records refer to the same person.

4. When Dates Do Not Match

Historical records may contain conflicting dates of birth or other inconsistent information.

Applicants can use an LOE to explain these differences, identify the correct information and provide supporting evidence.

5. When Applying on Behalf of a Minor

If you are submitting an application for a minor who does not have two pieces of identification or an identification document containing a photograph, IRCC instructs you to include an explanation letter.

What Should You Include in a Letter of Explanation?

A clear LOE should provide enough information for an immigration officer to understand the issue without having to make assumptions.

Your letter should include:

• The name of the missing document or details of the information requiring clarification.
• A clear explanation of why the document is unavailable or why the information differs.
• Details of any alternative documents you are providing.
• Evidence of the steps you took to obtain the original document, where applicable.

The information should be accurate, straightforward and supported by relevant documentation.

Why Is a Letter of Explanation Important?

When reviewing a citizenship by descent application, IRCC must verify the applicant's family relationship with their Canadian ancestor.

This may require examining birth certificates, marriage records and other historical documents across several generations.

Missing records or inconsistent information can make it difficult for an officer to establish these relationships.

A well-prepared LOE explains the circumstances and connects the supporting documents. However, submitting an explanation does not guarantee that IRCC will accept missing evidence or approve an application.

Do You Need Multiple Letters of Explanation?

In most cases, one comprehensive letter addressing all missing documents and inconsistencies should be sufficient.

However, additional explanations may be needed depending on the circumstances of your application, particularly when separate documents are required for identification or other specific issues.

Applicants with complicated family histories may benefit from professional guidance when preparing their supporting documents.

Letter of Explanation vs. No-Record Letter

A Letter of Explanation and a no-record letter serve different purposes.

A no-record letter is issued by an official authority, such as a government registry or archive. It confirms that a search was conducted for a particular record but that the document could not be found.

An LOE is prepared by the applicant to explain why the missing document is important, why it cannot be provided and what alternative evidence is being submitted.

Both documents can be included in the same application to explain and support missing historical records.

Letter of Explanation vs. Cover Letter

Although these documents may contain similar information, they serve different purposes.

A cover letter provides an overview of the entire application. It generally introduces the applicant, explains their relationship with their Canadian ancestor and summarizes the documents submitted.

A Letter of Explanation focuses on particular concerns, such as missing documents, inconsistent dates or differences in names.

In some cases, applicants may combine both documents into one comprehensive letter, provided all necessary explanations are clearly addressed.

Canadian Citizenship Processing Times: Why a Complete Application Matters

As of September 2026, the reported processing time for proof of Canadian citizenship applications had increased to 33 months. Processing times are estimates and may change.

Submitting an incomplete application can result in additional delays or having the application returned.

Before submitting your application, carefully review the required documents, verify the information provided and ensure that any missing records or inconsistencies are properly explained.