Beam-limiting device means a device which provides a means to restrict the dimensions of the x-ray field.
Variable-aperture beam-limiting device means a beam-limiting device which has capacity for stepless adjustment of the x-ray field size at a given SID.
Billing Dispute Notice means a formal, written notice submitted to Converged by the Customer in terms of this Procedure.
Parking Disc means a disc, issued by a local authority, complying with the requirements of the British Standard Specification for Parking Discs (BS No. 4631: 1970), but coloured blue and capable of showing the quarter hours period during which a period of waiting begins; and
Billing Dispute means the dispute of an invoice prepared by an Operator to the Other Operator which is made in good faith.