For an offer of shared RFR land, if the RFR landowner has received notices of acceptance from the trustees of 2 or more offer trusts at the expiry date specified in the notice given under section 156(1), the expiry date is extended for the trustees of those 2 or more offer trusts to the date that is 10 working days after the date on which the trustees receive the RFR landowner’s notice given under section 159(4).