31.12.1988 * Ending by merger

01.01.1973 * New superior organization (horizontal movement)

Superior body
Working Environment and Safety Department

01.01.1967 * Change of name

Name
* 1st Office

Short name
1. ktr.

Please note that this event has comments in Norwegian that are for the present not translated into English

01.01.1950 * Maintenance by secession

01.01.1949 * Change of name

Name
* 1st Office

Short name
1ste ktr.

01.01.1949 * New superior organization (horizontal movement)

Superior body
Labour Department

01.01.1947 * Entered; new relevant entity

Name
* 1st Social Security Office

Short name
1ste sos.ktr.

Affiliations
Ministry

Hierarchical level
Office

Superior body
* General department

Located
301 Oslo