To customize sales invoices, cash receipts, purchase orders, and other transaction forms, click Business Details in the Settings tab:
Enter information you want to appear on transaction forms:
Trading nameis the name you operate the business under. This does not necessarily need to be the same as your legal business name. Nor does it need to match the business name used to identify your accounting file in Manager.
Contact detailswill usually contain your address, phone number, email address, and so forth.
Business Identifieris normally a tax identification number, but can also be a banking number or other type of information.