Article 119 of the RA Constitution defines in which case martial law is declared in the country.

Iravaban.net reports that according to the article:

1. In the event of an armed attack against the Republic of Armenia or imminent danger thereof or declaration of war, the Government shall declare martial law, deliver an address to the people, as well as may call for general or partial mobilisation.
2. In case of declaration of martial law, a special sitting of the National Assembly shall be immediately convened by virtue of law.
3. The National Assembly may lift martial law or cancel the implementation of measures provided for under the legal regime of martial law, by majority of votes of the total number of Deputies.
4. The legal regime of martial law shall be prescribed by a law adopted by majority of votes of the total number of Deputies.