Implement provincial tax credit programs

[MaxGhenis]

Description

Implement various provincial tax credit programs for comprehensive coverage.

Ontario Credits

• Ontario Trillium Benefit (OTB)
  • Ontario Energy and Property Tax Credit
  • Ontario Sales Tax Credit
  • Northern Ontario Energy Credit
• Ontario Child Benefit (OCB)
• Ontario Senior Homeowners' Property Tax Grant

British Columbia Credits

• BC Climate Action Tax Credit
• BC Sales Tax Credit
• BC Child Opportunity Benefit

Alberta Credits

• Alberta Child and Family Benefit
• Alberta Seniors Benefit

Quebec Credits

• Solidarity Tax Credit
• Work Premium Tax Credit
• Tax Credit for Child Care Expenses

Other Provincial Credits

• Manitoba Education Property Tax Credit
• Saskatchewan Low-Income Tax Credit
• Nova Scotia Affordable Living Tax Credit

Implementation Notes

• Each province has unique eligibility criteria and benefit amounts
• Need province-specific parameter files
• Integration with existing tax credit system

Part of SPSD/M parity effort.