Simplify the following text for a Grade 10 native English-speaking person.
Original: Tate is used as the operating name for the corporate body which was established by the Museums and Galleries Act 1992 as The Board of Trustees of the Tate Gallery .
Simplified: Tate is used as the name for the corporation which was started by the Museums and Galleries Act 1992 as The Board of Trustees of the Tate Gallery .