New Invoice can be added by clicking on link in the left column or by clicking on tab in the upper right corner of the invoice listing page. Detailed information on the Invoice can be added through General, Details, Address, Other, and Tags tabs.
General tab helps you add information such as Name (which is compulsory), Quote Name, Deal Name, Account Name, Contact Name, Carrier, Assigned To, Due Date and Sales Stage.
Detailed information on an invoice can be added through Details tab. You can select Currency and enter Product name, Quantity, Unit Rate, Sale Rate, Tax%, Tax, Discount and Adjustment.
You can add Billing Address and Shipping Address from the Address tab.
After the completion of each tab, click on to proceed to the other tab. Click on to stop adding the new invoice.