How to Delete Sales invoice only if on DRAFT

[Helio_Jesus]

Thanks for the reply…
But my case was based on this that I shared

Delete removed from roles by default

Hi all, One point to think about is Roles created by default with DELETE option enabled for Sales or Purchase docs… Why not as default keep it disabled and if user or admin needs to have it enabled just check the permissions? Saying this because setting up a new site and if multiple companies is a lot of work by disabling this to avoid users creating and maybe printing and after deleting those docs in which for Tax and SAFT purposes if docs are deleted they should be part of the list and of c…

The reason is when setting up many companies having to to to each role while having a button that will allow the document to be deleted only if on DRAFT while the cancelled ones are not until this option is removed or unticked.