## Zoho Invoice — Product, features, payments, integrations, solutions, and help Index

Access the complete documentation index at:
https://www.zoho.com/ae/invoice/llms.txt

Use this file to discover all available documentation pages before proceeding.

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# When do I mark an expense as billable?

When your company incurs operational expenses while selling a product/service to your customers(For example, Shipping Costs), it is marked as billable. This is done so that the company could bill the customer and get it reimbursed.

![Create credit note](/invoice/kb/images/invoice-dashboard.png) ![](/invoice/kb/images/expenses/create-billable-expense.gif)