Learn how to add Terms & Conditions on your invoices -
Video Tutorial | Step by Step Instructions are below
Step 1. Navigate to Settings on the left main menu panel and click on Invoicing

Step 2. Type in your company terms & conditions inside the highlighted box. These TnC will be added to all your invoices. You can also add a link to your "Terms & Conditions" page on your website.

Video
Related articles -
How to generate & send an invoice?
Batch Invoicing: Batch multiple bookings from one customer into a single Invoice
FAQs -
How do I know if an invoice is paid?
How do I update the Billing Address on the Invoice?
Can I send an invoice to multiple people at the same time?
Can I download & print the invoice?