Terms and conditions of interconnection and/or access to declared services are made public in the register of access determinations and the Access agreement register maintained by the ACCC, in the ACCC's published decision to accept a special access undertaking, and in NBN Co's standard form of access agreement, which is required to be published. NBN Co is required to publish a statement of differences which sets out any areas in which an access agreement differs from its standard terms and conditions.