[2] Switzerland is accredited to Liechtenstein from its Federal Department of Foreign Affairs in Berne and maintains an honorary consulate in Vaduz.

[4] Under the initiative of Prince Karl Aloys of Liechtenstein, he appealed to Swiss Foreign Minister Felix Calonder to begin negotiations for a monetary and diplomatic union between the two countries.

In 1949, Liechtenstein ceded the Ellhorn mountain to Switzerland as a result of Swiss demands and threats to, among other things, end the customs union between the two countries.

Despite the local community in Balzers previously refusing to do so in November 1948, the transfer was approved by the Landtag of Liechtenstein the following month.

In exchange to the transfer, Switzerland agreed to forgive much of Liechtenstein's debt that it had acquired to the country throughout World War II.

Several incidents have occurred during routine training: Liechtenstein's standard rate of VAT (Mehrwertsteuer) is identical to Switzerland's for it must mirror the latter's continually and is currently 8.1%.

[30] In November 2016, the parliament of the principality decided with a large majority to introduce an agreement of automatic exchange of financial account information with 27 new treaty partners, including Switzerland.