If any obstruction is erected or raised or otherwise altered, or any culvert is erected or altered, in contravention of section 23 above, it shall constitute a nuisance in respect of which the drainage board concerned may serve upon such person as is specified in subsection (2) below a notice requiring him to abate the nuisance within a period to be specified in the notice.
The person upon whom a notice may be served under subsection (1) above is—
If any person acts in contravention of, or fails to comply with, any notice served under subsection (1) above he shall be guilty of an offence and liable, on summary conviction—
If any person acts in contravention of, or fails to comply with, any notice served under subsection (1) above, the drainage board concerned may, without prejudice to any proceedings under subsection (3) above—