Thank you. By not mentioning we only lived for a month together as a couple in the statutory declaration can this be an issue for my citizenship application? we shared-nothing, neither address nor joint account? I only stated we lived together as a couple in authorization form for extended family.
I am not privy to your documents, so I cannot comment more.
Under the law you have an obligation to be truthful:
16(1) of IRPA: A person who makes an application must answer truthfully all questions put to them for the purpose of the examination and must produce a visa and all relevant evidence and documents that the officer reasonably requires.
If you file any application with IRCC, TRV, WP, PR etc, any of them can be looked into to review your current application or future applications, and any inconsistency can be a cause of misrepresentation. All applications have to be consistent, and if they are not, a reason why you omitted the information or the reason for the inconsistency has to be provided.
The law is clear, while applications for different types of status engage different considerations, it does not necessarily flow that statements made in temporary residence applications cannot affect subsequent permanent residence applications (or vice versa). In Suri v. Canada, the court found that the Officer’s concerns vis-à-vis the contradictions between the Applicants’ temporary and permanent applications were reasonable and based on that the applicant's misrepresentation ban was upheld.
Federal courts have ruled on this numerous times.
See Tuiran v. Canada (Citizenship and Immigration), 2018 FC 324 (CanLII), <
http://canlii.ca/t/hr59k
Alalami v. Canada (Citizenship and Immigration), 2018 FC 328 (CanLII), <
http://canlii.ca/t/hr6r1>
Suri v. Canada available at
http://canlii.ca/t/grvwt