Move from “what changed?” to the correct response path and cost estimate.
Understand the summary, RRSP room, changes, balance and next steps.
Choose Change My Return, ReFILE, or a paper T1-ADJ and gather support.
Compare adjustment and objection paths, deadlines, and supporting evidence.
Estimate daily compounded interest while a balance remains unpaid.
Estimate filing penalty and interest after a missed return deadline.
Apply the special $1,000 threshold and penalty formula.