Summary: Revises Tariff WN U-3, Rule 20, Cascade Arrearage Relief and Energy Savings (CARES) Program, and Schedule 302, Cascade Arrearage Relief and Energy Savings Program Discount Rate. Revises CARES arrearage relief program from a once-annually, up to $1,000 benefit limit, to a twice annually, up to $500 total benefit limit. This filing also revises application of benefits between Federal energy assistance and the Company's bill discount program.