In your Invoice settings, you will be able to choose to have an Invoice Due Date updated automatically when the Job Due Date has been moved to a later date as well as having the Invoice automatically canel when the Job has been deleted. 


In the Web Portal, go to the Settings Cog > Accounts > Invoices > Scroll down to Update Invoice Options. 


If you would like the invoice date to change when you change the job date, select Yes in the invoice update option.


If you would like to to have the Invoice automatically cancel when the job has been deleted > Cancel Invoice when Job is deleted > Select Yes