The 1999 Constitution

Section 252 (1)

For the purpose of exercising any jurisdiction conferred upon it by this Constitution or as may be conferred by an Act of the National Assembly, the Federal High Court shall have all the powers of the High Court of a state.

(The Federal High Court has the same powers of the High Court of a State when it is exercising its powers which have been granted to it by the 1999 Constitution or an Act of the National Assembly; )

Section 252 (2)

Notwithstanding subsection (1) of this section, the National Assembly may by law make provisions conferring upon the Federal high Court powers additional to those conferred by this section as may appear
necessary or desirable for enabling the Court more effectively to exercise its jurisdiction.

(The National Assembly can pass a law to add more powers to the Federal High Court asides the powers already given to it by this section of the 1999 Constitution; )

Section 253

The Federal High Court shall be duly constituted if it consists of at least one Judge of that Court.

(For the Federal High Court to be properly constituted i.e. hear a matter, it must have at least one (1) judge sitting at the Court; )

Section 254

Subject to the provisions of any Act of the National Assembly, the Chief Judge of the Federal High Court may make rules for regulating the practice and procedure of the Federal High Court.

(The Chief Judge of the Federal High Court can make rules that regulate the Federal High Court but this is subject to any Act i.e. Law of the National Assembly; )