What is the time limit for foreign exchange to choose the benchmark interest rate for corporate time deposits? Generally speaking, the term of choosing the benchmark interest rate for time deposits of foreign exchange companies is divided into four grades: three months, six months, 1 year or two years, and the deposits can be renewed at maturity. Foreign exchange deposits refer to foreign exchange deposits that deposit banks and customers can withdraw within a certain period of time, and foreign exchange deposits usually take the form of lump sum deposit and withdrawal. Investment is risky, please make a careful decision.