Many Americans who recently became eligible for Canadian citizenship by descent are now applying for proof of Canadian citizenship certificates.
However, immigration lawyers say even small mistakes in the application can lead to delays, returned files, or outright refusals.
Under Canada’s updated citizenship law, many Americans born before December 15, 2025 may already qualify as Canadian citizens if they have at least one Canadian ancestor.
Still, applicants must successfully complete the proof of citizenship process before applying for a Canadian passport.
With citizenship certificate applications currently taking around one year to finalize, many applicants are trying to avoid errors that could force them to restart the process from the beginning.
Below are some of the most common mistakes applicants make during the proof of Canadian citizenship process.
Incorrect Citizenship Photos Remain A Major Problem
Photo-related issues are among the most common reasons applications face problems.
Immigration, Refugees and Citizenship Canada (IRCC) requires applicants to submit two identical printed colour photographs that meet strict rules.
The photos must:
- Match the required dimensions
- Be taken within the last 12 months
- Have a white or light-coloured background
The back of each photo must also include:
- The photographer’s stamp
- The date the photo was taken
- The applicant’s name
Many applicants mistakenly submit photos designed for U.S. passports, selfies, or cropped pictures taken from larger images.
IRCC may reject applications containing photos that do not meet official requirements.
The Canadian government has published detailed photo specifications that applicants can share directly with photographers before getting pictures taken.
Black-And-White Copies Can Cause Rejection
Another common mistake involves photocopies of supporting documents.
IRCC requires colour photocopies for citizenship certificate applications.
Some applicants still submit black-and-white copies, which can result in applications being rejected as incomplete.
Lawyers say applicants should carefully review all copied documents before mailing their application package.
Missing Documents Can Delay The Entire Application
One of the most important parts of a proof of citizenship application is proving the family connection to a Canadian ancestor.
Applicants must show a continuous line of descent using official records.
These records often include:
- Birth certificates
- Marriage certificates
- Citizenship certificates
- Death records
The chain of documents usually begins with proof of the Canadian ancestor’s citizenship and ends with the applicant’s own long-form birth certificate showing both parents’ names.
Marriage certificates are especially important when surnames change after marriage.
Even one missing document can create problems for the application.
Lawyers say applicants should also check whether their documents are considered valid under Canadian immigration rules.
For example, Quebec birth and marriage certificates issued before 1994 are generally not accepted by IRCC.
Blank Fields Can Create Problems
Applicants sometimes leave sections of the application form empty if they believe the question does not apply to them.
However, immigration lawyers warn that blank spaces can make the application appear incomplete.
Instead of leaving fields empty, applicants are encouraged to write “N/A” where appropriate.
This helps officers understand that the question was reviewed and intentionally marked as not applicable.
Missing Signatures Can Stop Processing
Applications for proof of Canadian citizenship require signatures before they can move forward.
The signature must be completed in black ink.
If the signature is missing, IRCC may reject the entire application package without beginning the review process.
Lawyers say applicants should carefully double-check all forms before mailing them.
Proof Of Payment Must Be Included
Citizenship certificate applications are submitted by mail or courier, but payment must still be completed online in advance.
Applicants must pay through IRCC’s official payment portal.
After payment, the receipt must be printed and included inside the application package.
Without printed proof of payment, the application may be rejected before processing begins.
Many lawyers also recommend keeping an additional copy of the payment receipt for personal records.
Documents Must Meet IRCC Requirements
Submitting the correct documents is only part of the process.
The documents must also meet IRCC’s formatting requirements.
Applicants should ensure:
- Copies are clear and readable
- No document edges are cut off
- Both sides are copied if information appears on both sides
Documents written in languages other than English or French must also include proper translations.
IRCC requires translations to follow specific guidelines.
Applications with incomplete or unofficial translations may face delays or rejection.
Tracking The Application Is Important
Proof of citizenship applications are mailed physically to IRCC.
Because of this, lawyers strongly recommend using courier or mail services that include:
- Tracking numbers; and
- Signature confirmation.
Tracking helps applicants confirm the exact date IRCC received the package.
Knowing the delivery date also helps applicants monitor expected application timelines more accurately.
Without tracking, applicants may have difficulty proving when documents were delivered.
Ignoring IRCC Emails Can Create Serious Delays
After an application is submitted, IRCC may contact applicants requesting additional documents or clarification.
Lawyers say applicants should regularly monitor the email address listed on the application forms.
Failure to respond before deadlines can result in application refusal.
Applicants who hire immigration lawyers or authorized representatives usually have communication sent directly to their representative.
This can help reduce the risk of missing important messages from IRCC.
Using The Wrong Application Package Can Cause Problems
IRCC requires applicants to use the correct and most updated forms.
For most proof of citizenship applications, applicants must complete:
- Application for a Citizenship Certificate (CIT 0001).
The application package also includes:
- Instruction guides
- Document checklists
- Supporting forms
Using outdated forms or missing checklist items can delay or invalidate the submission.
Lawyers recommend downloading forms directly from IRCC’s website shortly before applying to ensure the newest versions are being used.
Instructions Are Sometimes Misunderstood
Even applicants who carefully read IRCC instructions can misunderstand technical wording or legal language.
Small misunderstandings may result in applications being prepared incorrectly.
Immigration lawyers say many applicants struggle with details related to:
- Document requirements
- Translation rules
- Citizenship eligibility
- Name change records
Because of this, some Americans applying for Canadian citizenship by descent are choosing to work with immigration lawyers or regulated representatives.
Professional review can help identify missing documents, incomplete forms, or mistakes before the application is submitted.
As more Americans apply for Canadian citizenship after recent law changes, lawyers expect application numbers to continue rising throughout 2026.
Explore your pathway to move to Canada with Immigtoronto. Our team of skilled RCICs offers customized immigration solutions, ensuring a trustworthy and professional process. Contact us at [email protected].



