Unfortunately, TurboTax does not have the option to opt out
of for the CPT -16 for religious reasons.
Your best option is to complete your
tax return, file it and then do an adjustment with the CRA.
Here is the form you would need to fill out, if not already
done.
https://www.canada.ca/content/dam/cra-arc/formspubs/pbg/cpt16/cpt16-18e.pdf
Footnote: I will request a review with our product team to
include this in future software additions.