Where the shares are held on trust for the purposes of a pension scheme there shall be disregarded—
any charge or lien on, or set-off against, any benefit or other right or interest under the scheme for the purpose of enabling the employer or former employer of a member of the scheme to obtain the discharge of a monetary obligation due to him from the member;
any right to receive from the trustee of the scheme, or as trustee of the scheme to retain, an amount that can be recovered or retained—
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
under section 57 of the Pension Schemes (Northern Ireland) Act 1993 (c. 49), or otherwise, as reimbursement or partial reimbursement for any contributions equivalent premium paid in connection with the scheme under Part 3 of that Act.
Where the shares are held on trust for the purposes of an employees' share scheme, there shall be disregarded any charge or lien on, or set-off against, any benefit or other right or interest under the scheme for the purpose of enabling the employer or former employer of a member of the scheme to obtain the discharge of a monetary obligation due to him from the member.