An invoice is by default unique and must include the following:
The invoice must include:
1. Date the invoice was issued
2. Unique identification number
3. Your company name, address, and contact information
4. The customer’s company name and address
5. Description of the product or service that you’re charging for
6. Date the goods or service were provided (supply date)
7. Amount(s) being charged
8. Sales tax amount if applicable
9. Total amount owed by the buyer
10. The terms of payment (when the customer should pay e.g. 7 days after the invoice date)
11. The payment channel (how the customer should pay you e.g. bank transfer)
