Except where the context otherwise requires, in this Act—

• F1“British Transport Police Force” means the constables appointed under section 53 of the British Transport Commission Act 1949 (c. xxix);

• “chief officer of police” means—

  1. a

     in relation to a police force maintained under section 2, the chief constable,

  2. b

     in relation to the metropolitan police force, the Commissioner of Police of the Metropolis, and

  3. c

     in relation to the City of London police force, the Commissioner of Police for the City of London ;

• “City of London police area” means the City of London as defined for the purposes of the Acts relating to the City of London police force;

• “metropolitan police district” means that district as defined in section 76 of the M1London Government Act 1963;

• “police area” means a police area provided for by section 1;

• “police authority” means—

  1. a

     in relation to a police area listed in Schedule 1, the authority established under section 3,

  2. b

     in relation to the metropolitan police district, the F2Metropolitan Police Authority, and

  3. c

     in relation to the City of London police area, the Common Council;

• “police force” means a force maintained by a police authority;

• “police fund” means—

  1. a

     in relation to a force maintained under section 2 F3or the metropolitan police force, the fund kept by that force’s police authority under section 14,

  2. b

     F4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

  3. c

     in relation to the City of London police force, the fund out of which the expenses of that force are paid.