(1) As soon as the company holds more than a quarter of the shares in some other share capital company having its seat in Germany, it is to notify the respective enterprise in which it holds such ownership interest of this fact without undue delay in text form. Section 16 (2) sentence 1 and subsection (4) applies accordingly in establishing whether the company owns more than a quarter of the shares.
(2) As soon as the company holds a majority interest (section 16 (1)) in some other enterprise, it is to notify the enterprise in which it holds such majority interest of this fact without undue delay in text form.
(3) Where the ownership interest has ceased to exist in the amount requiring notification pursuant to subsection (1) or (2), the company is to notify the other enterprise of this fact without undue delay in text form.
(4) No rights attaching to shares belonging to a company that is subject to the notification obligation pursuant to subsection (1) or (2) exist for as long as the company fails to comply with the notification duty. Section 20 (7) sentence 2 applies accordingly.
(5) Subsections (1) to (4) do not apply to shares of stock of an issuer within the meaning of section 33 (4) of the Securities Trading Act.