Tax Returns and Payments (Mandatory Electronic Filing and Payment of Tax) Regulations 2008
5. Repayment of tax by electronic means.
(1) Where a repayment of any specified tax liabilities falls due to be made by the Commissioners—
(a) on or after 1 January 2009 to a specified person referred to in Schedule 1, or
(b) on or after 1 January 2010 to a specified person referred to in Sched ule 2,
the repayment shall be made by electronic means.