1 . OFFICIALS - REMUNERATION - WEIGHTINGS - DETERMINATION - CRITERIA THEREFOR - LIVING CONDITIONS IN THE VARIOUS PLACES OF EMPLOYMENT - CONCEPT OF PLACE OF EMPLOYMENT - CORRESPONDING OBLIGATION OF THE INSTITUTIONS ( STAFF REGULATIONS OF OFFICIALS , FIRST PARAGRAPH OF ART . 64 ) 2 . OFFICIALS - REMUNERATION - ADJUSTMENT IN THE EVENT OF A SUBSTANTIAL RISE IN THE COST OF LIVING - ADJUSTMENT OF WEIGHTINGS - DUTY OF COUNCIL - SCOPE ( STAFF REGULATIONS OF OFFICIALS , ART . 65 ( 2 ))