3. What documents must a contracting company supply to register in the system?

The templates requested here can be found in the system, and also above, under the heading Required documents:

Public & Product Liability Insurance
Workers Compensation Insurance OR Personal Income Protection Insurance
State based Electrical Contractors Licence (if applicable)
A WHSE plan
Safe Work Method Statements (SWMS)
Signed copy of the Schindler Code of Practice
Signed copy of the Schindler Code of Conduct
Signed copy of the Schindler Memorandum of Understanding
A completed EHS compliance questionnaire and associated documents