There has been a dispute about the Project Manager or Supervisor not having taken an action. Which Party may refer the dispute to the Adjudicator?

NEC3 and NEC4 Contracts
1

There has been a dispute about the Project Manager or Supervisor not having taken an action. Which Party may refer the dispute to the Adjudicator?

2

The Contractor may refer the dispute to the Adjudicator (see Adjudication table W1.3).