AI generated answer (using internal Slack threads):

The "Non-reimbursable Expenses" button or option may not be available on the expense report due to a few reasons. Firstly, it could be due to the nature of the expenses. If the expenses are associated with a corporate credit card, they are typically captured but not reimbursed, hence the non-reimbursable option may not be available. Secondly, it could be due to the specific restrictions of the expense reports in NetSuite. For instance, unlike vendor bills where you can edit the tax total at a header level, this option is not available for expense reports. This is a specific restriction in NetSuite and not something you are missing. Lastly, it could be due to the way employee advances and expense reports are handled. If an employee has an advance balance and creates an expense report, the advance applies to the entered amount, making the reimbursable amount $0. However, if they go back and edit the expense report to add more lines, the advance to apply does not recalculate with these newly added lines. This could potentially lead to the non-reimbursable option not being available. Please note that these are potential reasons and the exact cause may vary based on the specific configuration and usage of NetSuite in your organization. ****** Disclaimer: This response was generated by an artificial intelligence assistant based on previous conversations from multiple Slack channels, and may contain inaccuracies or mistakes. ******