If you’re unaware or asking, “what is GST tax and how can it be used on travel reimbursement?” – It’s simply goods and services tax levied in certain countries and regions. Overseas travel presents an excellent opportunity for businesses to save considerable amounts of money. Business travel expenses generally include significant amounts of GST, which can often be reclaimed. However, many businesses lack effective processes and technologies to secure travel reimbursements – which effectively increases the business travel expense.
Source: vatit.com