Definition:
Having regard to the subject-matter of insurance, the latter shall be divided into two branches: Branch I - life insurance, and Branch II - non-life insurance. Individual branches shall be divided into classes.

Source:

• Council Directive 91/674/EEC of 19 December 1991 on the annual accounts and consolidated accounts of insurance undertakings
  Place of publication: (Dz. Urz. UE L 374 z 31.12.1991, str. 7—31)
• Act of 11 September 2015 on Insurance and Reinsurance Activity
  Place of publication: (tj. Dz. U. z 2020 r., poz. 895, z późn. zm.)