7. Commencement of arbitral proceedings.
(1) For the purposes of this Act and for the purposes of section 496 of the Merchant Shipping Act 1894 (as amended by section 29) arbitral proceedings shall be deemed to be commenced on -
(a) the date on which the parties to an arbitration agreement so provide as being the commencement date for the purposes of the commencement of arbitral proceedings under the agreement, or
(b) where no provision has been made by the parties as to commencement of proceedings as referred to in paragraph (a), the date on which a written communication containing a request for the dispute to be referred to arbitration is received by the respondent.
(2) The Statute of Limitations 1957 is amended by substituting the following section for section 74:
(1) For the purposes of this Act and for the purposes of any other limitation enactment, arbitral proceedings shall be deemed to be commenced on -
(a) the date on which the parties to an arbitration agreement so provide as being the commencement date for the purposes of the commencement of arbitral proceedings under the agreement, or
(b) where no provision has been made by the parties as to commencement as referred to in paragraph (a), the date on which a written communication containing a request for the dispute to be referred to arbitration is received by the respondent.