For the purposes of the assessment referred to in paragraph 2, the national regulatory authority shall, when it considers that it is necessary, request any further relevant evidence in relation to those tariffs that is needed for the assessment to be made.
Chun críocha an mheasúnaithe dá dtagraítear i mír 2, iarrfaidh an t-údarás rialála náisiúnta, nuair a mheasann sé í a bheith riachtanach, aon fhianaise ábhartha eile i ndáil leis na taraifí sin a bhfuil gá léi chun an measúnú a dhéanamh.