6.

When methodologies, models or key rating assumptions used in credit rating activities are changed, a credit rating agency shall: immediately, using the same means of communication as used for the distribution of the affected credit ratings, disclose the likely scope of credit ratings to be affected; review the affected credit ratings as soon as possible and no later than six months after the change, in the meantime placing those ratings under observation; and re-rate all credit ratings that have been based on those methodologies, models or key rating assumptions if, following the review, the overall combined effect of the changes affects those credit ratings.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-27 · Text as adopted (Official Journal); later amendments are not incorporated in this text.