There are certain pieces of information that have to be on your invoices if you are charging GST, HST and/or PST. Your invoice must include: your business name. the date of the invoice. your Business Number (also known as the GST Registration Number). the purchaser's name. a brief description of the goods or services performed. the total amount paid or payable. the terms of payment. an indication of items subject to GST at 5% or HST at the appropriate provincial rate, or that the items are exempt, and either the total amount of GST/HST charged, or a statement that the GST/HST is included and the total rate of tax. if applicable, an indication of items subject to PST (also known as RST) at the provincial rate, or that the items are exempt, and either the total amount of PST charged, or a statement that the PST is included and the total rate of tax.
How to prepare an invoice _ examples and introduction _ Information that should be included in an invoice includes: A generic invoice should contain: The word "invoice" A unique reference number (in case of correspondence about the invoice) Date of the invoice Name and contact details of the seller Tax or company registration details of seller (if relevant) Name and contact details of the buyer/ customer _ Purchaser's name or firm name Date that the product was sent or delivered or the service or services rendered,or the work that was done. Purchase order number (or similar tracking numbers requested by the buyer to be mentioned on the invoice) Description of the product(s) _(sales invoice) or of the services ( service invoice) Unit price(s) of the product(s) (if relevant) Total amount charged (optionally with breakdown of taxes, if relevant) Payment terms (including method of payment, date of payment, and details about charges late payment) Discount,total before discount,and total after discount. (if relevant) Tax,total before tax,and total after tax. (if relevant) Shipping details if different from buyer details.The US Defense Logistics Agency requires an employer identification number on invoices.