long-term prisonermeans a person serving a sentence of imprisonment for a term of four years or more which was imposed on or after 1st October 1993 and includes any person who is treated as such a prisoner for the purposes of any provision of Part I of the 1993 Act;”
short-term prisonermeans a person serving a sentence of imprisonment for a term of less than four years which was imposed on or after 1st October 1993 and includes any person who is treated as such a prisoner for the purposes of any provision of Part I of the 1993 Act;”