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Value added tax


A value-added tax (VAT), known in some countries as a goods and services tax (GST), is a type of general consumption tax that is collected incrementally, based on the value added, at each stage of production and is usually implemented as a destination-based tax, where the tax rate is based on the location of the customer. VATs raise about a fifth of total tax revenues both worldwide and among the members of the Organisation for Economic Co-operation and Development (OECD). As of 2014, 160 of the world's approximately 193 countries employ a VAT, including all OECD members except the United States.

There are two main methods of calculating VAT: the credit-invoice or invoice-based method and the subtraction or accounts-based method. Using the credit-invoice method, sales transactions are taxed, with the customer informed of the VAT on the transaction, and businesses may receive a credit for VAT paid on input materials and services. The credit-invoice method is the most widely employed method, used by all national VATs except for Japan. Using the subtraction method, at the end of a reporting period, a business calculates the value of all taxable sales then subtracts the sum of all taxable purchases and the VAT rate is applied to the difference. The subtraction method VAT is currently only used by Japan, although subtraction method VATs, often using the name "flat tax", have been part of many recent tax reform proposals by US politicians. With both methods, there are exceptions in the calculation method for certain goods and transactions, created for either pragmatic collection reasons or to counter tax fraud and avoidance.

Maurice Lauré, Joint Director of the France Tax Authority, the Direction Générale des Impôts, was first to introduce VAT on 10 April 1954, although German industrialist Dr. Wilhelm von Siemens proposed the concept in 1918. Initially directed at large businesses, it was extended over time to include all business sectors. In France, it is the most important source of state finance, accounting for nearly 50% of state revenues.

Personal end-consumers of products and services cannot recover VAT on purchases, but businesses are able to recover VAT (input tax) on the products and services that they buy in order to produce further goods or services that will be sold to yet another business in the supply chain or directly to a final consumer. In this way, the total tax levied at each stage in the economic chain of supply is a constant fraction of the value added by a business.


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