OBS_VALUE: Application of pricing principles for Chorus’s unbundled copper local loop network and Chorus’s unbundled bitstream access. For Chorus's unbundled bitstream access, the initial and final pricing principles changed after 16 December 2019. As for Chorus’s unbundled copper local loop network co-location, the changes in the initial and final pricing principles took effect on 1 January 2020. Overall, the Commerce Commission’s final FPP decisions set annual price changes to the recurring charges for the following services: Unbundled bitstream access (UBA), Unbundled copper local loop (UCLL), Unbundled copper low frequency (UCLFS), Sub loop unbundling (SLU).