Latvian lats standard from its introduction till 1940. On 17 June 1940, Latvia was occupied by the USSR. After the dismantling of the Bank of Latvia and its replacement with the Latvia Republican Office of the Gosbank on 10 October, the Soviet ruble was introduced alongside the lats on 25 November 1940 at par, although the real monetary value of the rouble was about three times lower and thus both wages and prices were gradually raised to devalue the lats from June to November 1940. To lessen the effect of the exodus of goods sent by Soviet occupational personnel to the USSR,
Latvian lats and 50 santīmu were nickel, while coins of 1 lats and above were in silver, with a purity of 83,5 percent. The Latvian Bank issued notes from 1922 in denominations of 20, 25, 50, 100 and 500 latu. They also issued 10 latu notes which were 500 rubli notes overprinted with the new denomination. The government issued currency notes from 1925 in denominations of 5, 10 and 20 latu. The lats was reintroduced on 5 March 1993, replacing the Latvian rublis, which continued to circulate and kept validity until and including 30 June 1994 at a rate of 200 rubļu