Any person (in this section referred to as "the finder") who takes possession of a stray dog shall forthwith either—
and shall inform the officer of the local authority . . . where the dog was found.
Where a dog has been taken under subsection (1) above to the officer of a local authority, then—
Where the finder of a dog keeps the dog by virtue of this section he must keep it for not less than one month.
In Scotland a person who keeps a dog by virtue of this section for a period of two months without its being claimed by the person who has right to it shall at the end of that period become the owner of the dog.
If the finder of a dog fails to comply with the requirements of subsection (1) or (3) above he shall be liable on summary conviction to a fine not exceeding level 2 on the standard scale.
The Secretary of State may, by regulations, prescribe the procedure to be followed under subsection (2)(a) above.
In this section "local authority" and "officer" have the same meaning as in section 149 above.