I’ve managed to replicate this on my end, and I got the same result. After some research, I discovered we don’t currently have an option to disable the billable checkbox.

 

It’s my priority that you’re able to use QuickBooks seamlessly, so I’ll be sending feedback based on this interaction. The updates and changes […]

Resolution for 'billable checkbox issue: 'Need to disable billable check marks on bills!' available: Yes.

The billable checkbox issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the billable checkbox issue yourself by looking for a resolution described in the article. If it is a complex billable checkbox issue or you are unable to solve the issue, you may contact us by clicking here or by using other billable checkbox support options.

For more information about resolving issues related to billable checkbox in Quickbooks/QBO or to get support for the issue 'Need to disable billable check marks on bills!', click the link below: