(1) In carrying out the function under section 11(2)(a)(iii), the Unit shall prepare a Borrowing Plan that —
(a) is for the Central Government for each financial year to meet the aggregate estimated borrowing requirements of the Central Government for the financial year;
(b) is based on the approved Strategy and the annual cash flow forecast for the Central Government;
(c) includes —
(i) planned borrowing operations over the financial year,
(ii) the public debt instruments to be used, and
(iii) the indicative timing of borrowing;
(d) may be updated during the financial year and the update must be laid before Parliament within 3 months after the end of the financial year.