The period laid down in paragraphs 1
shall be interrupted in the case covered by paragraph 1
by a request for payment of the fee and in the case covered by paragraph 2
by a reasoned claim in writing. On interruption it shall begin again immediately and shall end at the latest six years after the end of the year in which it originally began, unless, in the meantime, judicial proceedings to enforce the right have begun; in this case the period shall end at the earliest one year after the judgment enters into force.