s 15A Sexual communication with a child
(1) A person aged 18 or over (A) commits an offence if— (a) for the purpose of obtaining sexual gratification, A intentionally communicates with another person (B), (b) the communication is sexual or is intended to encourage B to make (whether to A or to another) a communication that is sexual, and (c) B is under 16 and A does not reasonably believe that B is 16 or over. (2) For the purposes of this section, a communication is sexual if— (a) any part of it relates to sexual activity, or (b) a reasonable person would, in all the circumstances but regardless of any person's purpose, consider any part of the communication to be sexual; and in paragraph (a) “ sexual activity ” means an activity that a reasonable person would, in all the circumstances but regardless of any person's purpose, consider to be sexual. (3) A person guilty of an offence under this section is liable— (a) on summary conviction, to imprisonment for a term not exceeding the general limit in a magistrates’ court or a fine or both; (b) on conviction on indictment, to imprisonment for a term not exceeding 2 years.