There is no such thing as a "spousal" citizenship application. Once your spouse has PR card she will have to meet the eligibility in presence days and language requirements to apply for her citizenship application. this application is not dependent on your application for citizenship.
When she applies she will have to submit her certificate that she meets language requirements.see in the below url
https://www.canada.ca/en/immigration-refugees-citizenship/services/application/application-forms-guides/guide-0002-application-canadian-citizenship-under-subsection-5-1-adults-18-years-older.html#Step3
Results from a third-party language test
Your language test result must be equal to the Canadian Language Benchmark (CLB/NCLC)/Niveaux de compétence linguistique canadiens level 4 or higher in speaking and listening. If you did the test in the past for immigration or citizenship purposes, we will accept the results even if it has expired.
Examples of third-party tests include:
- Canadian English Language Proficiency Index Program General Test (CELPIP-G) or the CELPIP-General LS (listening and speaking).
- If you took the test after April 1, 2014, you must have a score of level 4 or higher in listening and speaking.
- If you took the test before April 1, 2014, you must have a score of 2H or higher (i.e., 3L, 3H, 4L, 4H, 5L, or 5H) in listening and speaking.
- International English Language Testing System (IELTS), general training, not the academic version You must have a score of:
- 4.0 or higher in speaking and
- 4.5 or higher in listening. (Note: If the test was done before November 28, 2008, we will accept a level 4 or higher)
