Setting the 2020/21 fibre input methodologies
We began work on the fibre input methodologies (IMs) in 2018 and first determined the IMs in 2020.
The latest consolidated version of the fibre input methodologies was published on 21 December 2021 and incorporates the amendments made up to that date.
Here you can see the decisions made and the process of how we got to those decisions.
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