The Serrian Economic Cooperation Treaty (SECT) is a trade agreement between Ametà, Baydor, Cadenza, Chikara, Cresada, Dolfikland, Estia, Eusonia, Iconia, Island Paradis, Kerthenia, Klathu, Kolonia, Malabar, Nacija Slavia, Nari, Qusmos, Serria, SMOS, Tunguska, Tau Kicar, Verkimlund, Yeristan and Yinshan signed on 5 March 1995 and going into effect on 1 January 2000. Zkavkoza joined the SECT in 2022.
 SECT Logo | |
| Abbreviation | SECT |
|---|---|
| Motto | Building Global Partnerships |
| Formation | 1 January 2000 |
| Type | Bilateral trade agreement |
| Headquarters | Vellina, Serria |
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It is a bilateral free trade agreement chaired by an international non-governmental organization, headquartered in Vellina to encourage trade between partner nations and Serria.