Aggravation

Every person who commits any of the offences mentioned in sections 79 to 84 with intent to facilitate the commission of any crime by himself or by any other person or with intent to hinder the arrest or detention of himself or of any other person for any crime, or with intent to hinder the discovery of any crime, or with intent to enable himself or any other person 77 to escape from legal custody, whether for a crime or for any other cause, shall– (a) if such crime be a felony, be liable to imprisonment for a term which may exceed by seven years the term for which he is otherwise liable to such imprisonment; or (b) in any other case, be liable to imprisonment for a term which may exceed by five years the term for which he is otherwise liable to such