How do I show my tax numbers on the receipt?

The owner enters up to two numbers in Settings; they are printed at the bottom of every receipt.

1. Open Settings (/settings), Payment receipts section.
2. Fill Tax (label) (for example "GST") and Registration number for the first tax; repeat for a second one if needed.
3. Tap Save.

Rules: each pair is either completely filled or completely empty (otherwise: "Enter both the label and the number, or leave both empty."). Martialnote calculates no tax: the receipt amount is what the owner confirmed, and the numbers are only displayed. Receipts already sent do not change; use Resend to send a receipt with the new numbers.