For main application, see in p35 of 61
policy guidance:
145. You will be awarded 10 points if:
• you currently have entry clearance, leave to enter, or leave to remain as a Tier 2 skilled worker; work permit holder; Jewish Agency Employee; Member of the Operational Ground Staff of an Overseas-owned Airline; Minister of Religion; Missionary; Member of a Religious Order; or Representative of an Overseas Newspaper, News Agency or Broadcasting Organisation; or
Further for dependents, in the PBS the
application form, section M, Question M3 (p30), it is the second option and you are asked to move to section O skipping section N on maintenance, implying that extension applicants dont have to re-satisfy requirements.
Senior members .. please correct me if I am wrong.