191. Where a notice, direction or other document is authorised or required by or under this Act to be served on a person, it may, unless otherwise specified in this Act, and in addition to the methods specified in section 61G(1) of the Central Bank Act 1942, be served to or on a natural person, body corporate or partnership, electronically, that is to say by electronic mail to an email address, or to a facsimile number, furnished by the person for that purpose to the Bank.