vote of confidence fails a third time, the president is obliged to shorten the Sejm's term of office and call for new elections. As part of political tradition, the prime minister and the ministers take the oath of office inside the Column Hall at the Presidential Palace, in a ceremony administered by the president. Upon their inauguration, the prime minister and the ministers must take the following pledge before the head of state: The oath may also be finished with the additional sentence, "So help me God." Role in the cabinet and powers Article 148 of the constitution stipulates that the prime minister shall act as the representative of the cabinet as a whole, delegate its agendas, coordinate the work of ministers, ensure the implementation of policy adopted by the cabinet, and issue regulations. Additionally, the prime minister acts as the superior of all civil servants. The prime minister is further assisted by a deputy prime minister (or ministers), who will act as a vice-president within the council of ministers. The make-up of the cabinet, its distributed portfolios and its governing style, however, very much depends on the premier's personality. The prime minister cannot, however, hold the presidency nor any other high state office, such as the chairmanships of the Supreme Chamber of Control, the National Bank of Poland, or the Ombudsman for Citizens Rights, simultaneously. With the power to distribute and reshuffle cabinet members, the prime minister can also discharge the functions of a minister. Similarly, the prime minister can call upon the cabinet to repeal a regulation or order from any minister. The prime minister must answer questions from deputies during each sitting of the Sejm. The premier and other ministers are also constitutionally mandated to answer interpellations from deputies within 21 days of their submission. In accordance to Poland's semi-presidential system, most official acts of the presidency require the prime minister's countersignature in order to become valid. Through this, the prime minister acts as a gatekeeper to the president to certain acts, while also accepting responsibility to the Sejm for the president's actions. This legal relationship, established under the constitution, attaches a significant presidential dependence on the prime minister's signature, arguably enlarging the premier's responsibilities and legal standing. The President, however, does not need the prime minister's countersignature for a limited selection of other acts, including the appointment of judges, conferring orders and decorations, appointing a president