(1) The appointment of the board is by resolution of the general meeting.
(2) The appointment is revocable at any time, notwithstanding the claim to remuneration as contractually agreed. The revocability may be restricted by the articles of association to that case in which there is a compelling reason for the revocation; such a reason includes in particular a gross breach of duty or inability to effect proper management.
(3) The provisions on mandate in sections 664 to 670 apply accordingly to the management by the board. The members of the board act free of charge.