IAS 37 Restructuring Provisions

What are the criteria for a restructuring provision under IAS 37?
U
IFRS

IAS 37 Restructuring — Core Rule

Under IAS 37 Restructuring Provisions, an entity may only recognise a restructuring provision when it has a present obligation — specifically a constructive obligation — arising from a formal plan that has raised a valid expectation in those affected that the restructuring will be carried out.

How IAS 37 Restructuring Works