In this section and sections 56 to 59—

• “non-participation fine” means a fine imposed—

  1. a

     for an offence under section 51, or

  2. b

     in respect of a failure to comply with any sentence imposed for such an offence;

• “the relevant sum”, in relation to a non-participation fine, means—

  1. a

     the non-participation fine,

  2. b

     any surcharge ordered under F2section 42 of the Sentencing Code (surcharges) to be paid solely in relation to the offence, and

  3. c

     any costs ordered by a court to be paid by the person on whom the fine was imposed in connection with the offence or proceedings relating to the offence or any sentence imposed (including proceedings on appeal);

• “relevant F1local authority”, in relation to a non-participation fine, means the F1local authority which issued the penalty notice under section 53 in respect of the offence to which the fine relates.

References in those sections to a fine being imposed are, in the case of a fine varied or confirmed on appeal, references to its being varied or confirmed.