78.Section 3 inserts new section 1B into the NHS Act, placing a duty on the Secretary of State to have regard to the NHS Constitution when exercising his functions in relation to the health service. Therefore when discharging any of those functions, the Secretary of State must do so with regard to the principles, values, rights and pledges in the NHS Constitution. The NHS Constitution is included in the list of defined expressions in section 276 of the NHS Act, directing readers of the Act to the definition at subsection (2) of new section 1B.