Paragraph 21
Subject to subparagraphs (2) to (5), a relevant system must comprise procedures which provide that an Operator only registers a transfer of title to uncertificated units of a security or generates an Operator-instruction requiring a participating issuer to register such a transfer, and only generates an Operator-instruction informing a settlement bank of its payment obligations in respect of such a transfer, if—
it has—
received a system-member instruction which is attributable to the transferor; or
been required to do so by a court in the United Kingdom or by or under an enactment;
it has—
established that the transferor has title to such number of units as is in aggregate at least equal to the number to be transferred; or
established that the transfer is one of two or more transfers which may be registered in accordance with regulation 30(2);
in the case of a transfer to a system-member for value, it has established that a settlement bank has agreed to make payment in respect of the transfer, whether alone or taken together with another transfer for value; and
the transfer is not in excess of any limit which by virtue of paragraph 15(a)(ii) the transferor has set on an authority given by him to a sponsoring system-participant.
Subparagraph (1)(a) shall not prevent the registration by an Operator of a transfer of title to uncertificated units of a security, or the generation of an Operator-instruction, in accordance with procedures agreed between the Operator and the transferor to enable the transfer by means of a relevant system of uncertificated units of a security provided that such transfer is for the purpose of, or relates to, facilitating the provision of financial credit or financial liquidity to the transferor by a settlement bank, the Bank of England, the European Central Bank, any other central bank, or any other body having functions as a monetary authority.
A relevant system must comprise procedures which provide that—
the Operator may amend an Operator register of securities; and
an Operator-instruction requiring a participating issuer to register a transfer of uncertificated units of a security, or informing a settlement bank of its payment obligations in respect of such a transfer, may be generated,
if necessary to correct an error and if in accordance with the rules made and practices instituted by the Operator in order to comply with this Schedule.
A relevant system must comprise procedures which provide that—
the Operator may amend an Operator register of securities; and
an Operator-instruction requiring a participating issuer to register a transfer of units of a wholly dematerialised security, or informing a settlement bank of its payment obligations in respect of such a transfer, may be generated,
if necessary to effect a transfer of such units, on the termination of participation in the relevant system by the system-member by whom those units are held and if in accordance with the rules made and practices instituted by the Operator in order to comply with this Schedule, to a person nominated under the Operator’s rules.
Subparagraph (1)(a) shall not prevent the registration by an Operator of a transfer of title to uncertificated units of a security, or the generation of an Operator-instruction, in order to give effect to the procedures referred to in subparagraph (3) or (4).