Period during which the citizen was in labor relations regulated by this Code is considered as length of service, as well as other periods that may be counted in the length of service in accordance with normative legal acts or collective contract to which labor legislation, other normative legal acts and collective contracts attach certain labor law or additional labor guarantees and privileges. Length of service may be:

1) General length of service counting the whole period of labor relations of the citizen, as well as other periods permitted to count in the length of service;

2) Special length of service counting periods over which work of specific profession was performed or specific position was held or employment performed under exceptional working conditions, as well as other periods permitted to count in length of service of the given type;

3) Length of service with a certain organization or the same employer counting working period at the same position as well as periods permitted to count in the length of service of the given type;

4) Uninterrupted length of service counting period of work with the same organization (employer) or several organizations (employers) where shift from one working place to the other was made with the mutual agreement of employers or there are other bases not breaking the length of service or when space between the shift from one work to the other do not exceed one month;

5) Insured length of service counting total period of employment and other activities not banned by the legislation of the Republic of Armenia during which the citizen was subject to insurance and mandatory social insurance contributions were made for him and/or by him in a procedure defined by law;

The procedure of counting the length of service is defined by the Government of the Republic of Armenia.

Source: Iravaban.net