It is not a regulatory requirement for relevant authorities to publish a modification notice when making an urgent modification when awaiting the advice of the WPRU whilst in a standstill period.
Nid yw’n ofyniad rheoleiddiol i awdurdodau perthnasol gyhoeddi hysbysiad addasu wrth wneud addasiad brys wrth aros am gyngor Uned Adolygu Caffael Cymru mewn cyfnod segur.