HOWTO: Email Signature - Adding
Add the email signature content between the <textarea> tags on line 53.
This will auto-fill the textbox when using the 'send invoice by email' form.
When entering an apostrophe in a text field (for instance in a customer's name) you must use HTML code: ’
Otherwise when the name is viewed in the customer list it will show like this: Gavin's Emporium....
Voiding a payment
Inventory - Add - Issues
The drop down list is shown by the order a product was created (its ID number when viewed in phpMyAdmin) and not by description which would make it easier to locate and item.
To have the list sort by description edit: