4.2. TRACK OCCUPANCY AUTHORITY

 The Track Occupancy Authority (TOA) is Issued by the Train Controller.
 The TOA permits Occupancy of a defined Section of Track for Work on Track while
Rail Traffic is diverted or not Authorised to enter the Section, for a specified period.
 The TOA is for a single Worksite.
 Rail Traffic associated to the Worksite is permitted under the TOA.
 The Protection Officer (PO) receives the TOA in writing on a Work on Track
Authority Form.