Non-recognition terminology: "'48 areas of Palestine" and "the Palestinian Interior"

"The training camp opened with a welcoming speech by President of the Association, who greeted the President of the Association for Traditional Karate within the '48 areas of Palestine, expert Ali Tarbiyeh… After Friday prayers and lunch, the second stage of the training camp began, under the supervision of the head of the Association for Traditional Karate in the Palestinian Interior, Ali Tarbiyeh."