For filing taxes, you need to sort and organise the following: Social insurance number and personal data Income T-slips or RL-slips The record of income (such as income statements if you are self-employed) Receipts for a tax deduction (such as medical receipts to claim medical expenses) Data from past years (such as RRSP contribution limit or repayments for Home Buyer’s Plan HBP) Tax package sent to you by Canada Revenue Agency (CRA) or Agence du Revenue du Quebec (ARQ), including the access code