Property Vendors faq... What is Vendors Tax in St Lucia? Should I pay? Yes! Individuals and companies who owns property in St Lucia and wish to sell that property are required to pay Vendors Tax upon execution of the sale. Vendors tax is payable to the Inland Revenue Department (IRD) and is calculated as follows. St Lucia Vendor's Tax Calculation: First $50,000.00 exempted 2.5% of next...