Dannemann/Schulze, German Civil Code (Bürgerliches Gesetzbuch)

Dannemann/Schulze, German Civil Code, Volume I
- Book 2 Law of Obligations
  - Division 4 Extinction of obligations
    - Title 3 Set-off
      - § 387 Requirements
        
        C. Explanation
        
        I. Requirements
        
        II. Set-off situation (Aufrechnungslage)
        
        III. Declaration
        
        IV. Multiple parties
        
        V. Performances substantially of the same nature
        
        VI. Validity of the counter obligation
        
        VII. Main obligation
        
        VIII. Prohibition of set-off

Dannemann/Schulze, German Civil Code (Bürgerliches Gesetzbuch)
VI. Validity of the counter obligation
E. Oehm in Dannemann/Schulze, German Civil Code (Bürgerliches Gesetzbuch) | Book 2 Rn. 13 | 1. Auflage 2020