Division 6 The CBSA will consult and agree with the European Commission regarding revision of the 25 required PNR data elements set out in Attachment A, prior to effecting any such revision,

if the CBSA becomes aware of any additional PNR data element that may be available and is of the view that the element is required for the purposes set out in section 2; or

if the CBSA at any time becomes aware that a particular PNR data element is no longer required for the purposes set out in section 2.