in_non_refundable_credits

# Variable to add:
in_local_taxes_paid_outside_state_credit
in_other_local_nonrefundable_credits
in_other_non_refundable_credits
in_college_credit
in_taxes_paid_to_other_states_credit

The issue lists five tax-credit variable names but does not identify files, tests, or an entry point. Start by locating similar existing credit variables in the Python package and their tests, then add the listed variables consistently and run the relevant tests to confirm they are recognized.

Written by the indexing model from the issue text.