1.

An administrator shall keep records of: all input data, including the use of such data; the methodology used for the determination of a benchmark; any exercise of judgement or discretion by the administrator and, where applicable, by assessors, in the determination of a benchmark, including the reasoning for said judgement or discretion; the disregard of any input data, in particular where it conformed to the requirements of the benchmark methodology, and the rationale for such disregard; other changes in or deviations from standard procedures and methodologies, including those made during periods of market stress or disruption; the identities of the submitters and of the natural persons employed by the administrator for the determination of a benchmark; all documents relating to any complaint, including those submitted by a complainant; and telephone conversations or electronic communications between any person employed by the administrator and contributors or submitters in respect of a benchmark.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.