Aside from those duties, the title is largely honorific as the Constitution does not confer any additional powers on the office holder. The Department of the Taoiseach is a Department of State, but there is no equivalent for the Tánaiste. In theory, the Tánaiste could be a minister without portfolio, but every Tánaiste has in parallel held a ministerial portfolio as head of a Department of State. Dick Spring in the 1994–1997 "Rainbow Coalition" had an official "Office of the Tánaiste", but other parties have not used that nomenclature. Under Spring, Eithne Fitzgerald was "Minister of State at the Office of the Tánaiste", with responsibility for co-ordinating Labour policy in the coalition.