(Rs) or Nepalese rupee (NRs), the unit of currency, universal since the late 1960s. The Nepalese rupee is linked to the Indian rupee and is fully convertible although restrictions were imposed during the 1989-90 trade and transit dispute. The equivalency rate used in Chapter 1 is Rs2.1=US$1 in 1919. By 1973 the official exchange rate was Rs6.55=US$1; in 1991, Rs30.80=US$1. One Nepalese rupee = 100 paisa.