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@scylla the only thing different is the NOC code, since I can't find the same NOC code on that form. Is there a translation from old to new ones? The weird thing is that my LMIA is recent but the code seems to be from the NOC 2011.

From the link provided.
Transition to NOC 2021
If you apply for permanent residence on or after November 16, 2022, we will still accept job offers made before November 16, 2022 using NOC 2016 codes.

Your job offer will be considered valid as long as:

  • it meets the eligibility criteria of your program, and
  • the skilled level of the NOC 2016 code on your job offer is equal to one of the eligible NOC 2021 TEER categories for your program
While most jobs will stay in the TEER category equal to their previous NOC 2016 skill level, some jobs may change to a different TEER category. Find the NOC 2021 TEER category of your job to find out if your offer is still valid for the program you’re applying to.f
 
From the link provided.
Transition to NOC 2021
If you apply for permanent residence on or after November 16, 2022, we will still accept job offers made before November 16, 2022 using NOC 2016 codes.

Your job offer will be considered valid as long as:

  • it meets the eligibility criteria of your program, and
  • the skilled level of the NOC 2016 code on your job offer is equal to one of the eligible NOC 2021 TEER categories for your program
While most jobs will stay in the TEER category equal to their previous NOC 2016 skill level, some jobs may change to a different TEER category. Find the NOC 2021 TEER category of your job to find out if your offer is still valid for the program you’re applying to.f

As I said before, I checked both pages. The NOC on my LMIA doesn't exist in NOC 2021.

NOC on my LMIA (NOC 2016): 2171 - Information systems analysts and consultants
NOC 2021, most probable ones:
- 21222 - Information systems specialists (most similar by name)
- 20012 - Computer and information systems managers (most compatible with my role)
 
Update: the lawyer that did my WP process just replied this:
The NOC code 2171 has been split into 3 different codes which are: 21220, 21221, 21222.
 
Update: the lawyer that did my WP process just replied this:
The NOC code 2171 has been split into 3 different codes which are: 21220, 21221, 21222.
You need to use the NOC code that best represents your job duties, not the name of the NOC. Have a squiz through each of those 2021 codes and have a look at the Example Titles and the job duties in each one.
 
@sean468 thanks for your reply.
Considering that I have an LMIA, should I use the same NOC code I have there and on my work permit? My job at the company evolved over time, not sure if I should change it.