The terms of reference of the WG-SP are:

to establish and maintain a strategic planning document for the CCPR in line with the CIPM guidance document for CCs;

to advise the CCPR on the optimal operational structure;

to draft and maintain admission criteria for membership of the CCPR and its working groups;

to monitor and to respond to developments with respect to the future of the SI;

to regularly review and update, as needed, the mise-en-pratique for the candela.