To ask the Scottish Executive whether its review of the planning system will bring forward proposals to prevent or control the implementation of "begun developments" either in general where significant time periods have elapsed between development beginning and the implementation of subsequent phases of development, or in circumstances where either the adopted Structure and Local Plans have been amended materially in the interim, or where the relevant planning authority considers that the development proposal should now be subject to traffic, environmental impact or other assessments which were not required when the original consent was issued.