15Offence of obstructing assessment or work
(1)A person (“A”) commits an offence if—
(a)another person (“B”) is carrying out a single-building assessment, an additional work assessment or work arranged under Chapter 1,
(b)the use of reasonable force by B is authorised in connection with the carrying out of the assessment or work by a warrant under section 14, and
(c)without reasonable excuse, A intentionally obstructs B from doing something that B is entitled to do by section 13(1).
(2)A person who commits an offence under this section is liable on summary conviction to a fine not exceeding level 3 on the standard scale.