The court set aside the April 8, 2019 judgment of the Court of Appeal, Abuja, which declared Senator David Umaru, ex-Chairman, Senate Committee Chairman on Justice, Human Rights and Legal Matters, the valid candidate of the All Progressives Congress (APC), who won the election.
During his first term, Mrs Buhari was addressed as wife of the president but has since reverted to the title of First Lady since her husband won re-election.
TSA is a public accounting system using a single account, or a set of linked accounts by government to ensure all revenue receipts and payments are done through a Consolidated Revenue Account (CRA) at the Central Bank of Nigeria (CBN).
Mr Buhari appointed Mr Muhammad to head the judicial arm of government after he suspended Walter Onnoghen, a top jurist who until his suspension was in charge of the judiciary.
The governors made their stand known on Monday in a statement by Emmanuel Uzor, Chief Press Secretary to Ebonyi State governor, David Umahi, who heads the South-East Governors' Forum.
Meanwhile, Lauretta Onochie, the social media aide to President Muhammadu Buhari has welcomed the first lady home.
Oshiomhole urged Nigerians to return President Muhammadu Buhari for a second term in office.
The clash led to the proscription of the group which was aided by state governors from the geo-political zone in a bid to tame the growing influence of IPOB in the region.
Mr Yakubu made the declaration while briefing news men at a press conference in Abuja.
The decision to regulate the social media comes weeks after the government increased fines for hate speech, an action that has been described as a move to silent critics of the administration.