Prime Minister of New Zealand minister of finance became too big; Prime Minister Sir Robert Muldoon was criticised for taking on the finance portfolio during his time in office as it resulted in a large concentration of power in one individual. Before 1987, it was also common for Prime Ministers to take the role of minister of foreign affairs, so they could represent New Zealand on an international stage. More recent Prime Ministers have taken portfolios relevant to their interests, or to promote specific areas they saw as important. For example, David Lange took the education portfolio in his second term; Helen Clark took the
First Vice Prime Minister of Ukraine to Prime Minister, all office duties of the First Vice Prime Minister are supported by the Secretariat of Cabinet of Ministers. Along with other members of Cabinet of Ministers, the newly appointed First Vice Prime Minister takes one and the same oath of office at a plenary session of the Verkhovna Rada (Ukrainian parliament). According to the Article 10 (Law of Ukraine about the Cabinet of Ministers), a member of Cabinet of Ministers (except for the Prime Minister of Ukraine) who refuses to take the oath is considered as such who refused to accept the post. Every newly appointed member