13. The prescribed requirements for the notice specified in section 251(6)(a) of the 2004 Act (payment of surplus to employer: transitional power to amend scheme), are that the notice shall—
(a)be in writing; and
(b)contain the following information—
(i)that the trustees have decided to exercise their power under section 251(3) or (4), as the case may be; and
(ii)the date, being a date which is at least three months after the date that the information is sent to the employer and members, from which the trustees' proposed exercise of the power is to take effect.