Pełczyńska-Nałęcz: "Vice Prime Minister can do more than minister". Expert: "a somewhat risky statement"

The Minister of Funds and Regional Policy, Katarzyna Pełczyńska-Nałęcz, stated that it was crucial for her organization to presume the function of Deputy Prime Minister in the planned reconstruction of the government, due to the fact that "the Deputy Prime Minister may be more than the Minister". What about the legislation?