Per The decree No 238-N of March 6, 2018, which entered into force on March 22, 2018 The Government of the Republic of Armenia, provided for the citizens of the Australian Union, New Zealand, the Republic of Singapore and the Republic of Korea an entry visa free regime.

According to Article 9 (5) of the Law of the Republic of Armenia "On Foreigners", the Government of the Republic of Armenia
Establishes a visa-free regime for Australian, New Zealand, Singapore and Korean citizens since March 19, 2018.
Determines that the citizens of the Australian Union, New Zealand, Singapore and the Republic of Korea may stay in the territory of the Republic of Armenia for a period specified in Article 7 (1) of the Law of the Republic of Armenia "On Foreigners" (in the territory of the Republic of Armenia For a period of 180 days, within one year, unless other terms are provided by the international treaties of the Republic of Armenia).
Notify the Minister of Foreign Affairs of the Republic of Armenia of this Decision to the Australian Union, New Zealand, the Republic of Singapore and the Republic of Korea.

The decision comes into force on the day following the official publication and its effectiveness extends to the relations arising after March 19, 2018.