[How to apply capital loss in other years recorded by CRA for 2019 to capital gain in 2020?]

Perhaps opening a "Losses of other years carryback" -> "Net capital loss of other years" to enter the amount of "unused capital loss" recorded in a Notice of Assessment worked. However, it is limited to the maximum of $3000 of unused capital loss per year.

[How to apply capital loss in other years recorded by CRA for 2019 to capital gain in 2020?]

Numbers below used as illustration only.

I have recorded the “unused capital loss” in the T936 CNIL with $20,000 under “Total federal CNIL income for year 2019”. The “Total federal CNIL expense for year 2019” is 0. However after reporting the capital gain of “$10,000” in the form T5008, I didn’t see the capital offset or reduce by the capital loss under “Review” section.

How to get the capital gain offset by the unused capital loss in UFile 2020?

I noticed that my tax report already have forms T936, Capital Gain History under "Capital Gain (or Losses) and ABIL", "Capital loss carryforward".

Which forms should be filled out to get capital loss from other years applied to 2020 Tax year?

Thank you.