If the position of manager of a limited partnership by shares becomes vacant the control board shall appoint an acting manager to carry out urgent matters until the general assembly convenes. The acting manager shall invite the general assembly to convene within fifteen days from the date of his appointment in accordance with the procedures set out in the company's articles of association. If this period elapses without inviting the general assembly to convene, the control board shall send the invitation immediately. The acting manager shall only be liable for his mandate.