If you require your job card & invoice numbers to match you are able to turn this feature on, both numbers will then be the same and the sequence will start from the next available job card number.
1. Click on 'Settings' from the menu options down the left hand side and then 'Company Settings';
2. Scroll down to the sub-heading 'Invoice Settings'
3. Click on the 'NO' under Invoice Number Equals Job Number so that it changes to 'YES', scroll to the bottom of the page and click the green 'Save' button to save the change to your settings;