A person who sells, lets on hire, gives or lends a shot gun with a magazine to another person who—
shows that he is entitled to purchase or acquire the weapon as the holder of a visitor’s shot gun permit under section 17 of the Firearms (Amendment) Act 1988; but
fails to show that the purchase or acquisition falls within subsection (1A)(c) ... of that section (temporary acquisitions ...) or that he resides outside Great Britain,
shall, within forty-eight hours of the transaction, send by permitted means notice of the transaction to the chief officer of police who granted that permit.
A notice under subsection (1) above shall—
contain a description of the shot gun (giving the identification number if any);
state the nature of the transaction (giving the name of the person to whom the gun has been sold, let on hire, given or lent, his address in Great Britain where he resides and the number and place of issue of his passport, if any); and
set out the particulars of any licence granted for the purposes of an order made under section 1 of the Import, Export and Customs Powers (Defence) Act 1939 by virtue of which the transaction is authorised under section 17 of that Act of 1988.
A notice is sent by permitted means for the purposes of subsection (1) if it is sent—
by registered post;
by the recorded delivery service; or
by permitted electronic means (see section 42B).
It is an offence for a person to fail to comply with this section.