. . . . Contracting Parties: Australia, Canada, Chile, Colombia, Costa Rica, Hong Kong, Iceland, Israel, Japan, Liechtenstein, Mauritius, Mexico, New Zealand, Norway, Pakistan, Panama, Peru, Switzerland, Taiwan, Turkey, United States, United States. The Trade in Services Agreement (TiSA) is a draft trade agreement between 23 parties, including the European Union and the United States. The aim of the agreement is to liberalise commercial services such as banking, health and transport. TiSA covers more than 70% of the global services economy. In the EU, the services sector accounts for more than 75% of employment and GDP. TiSA was an American initiative.