際に/際/際は => occasion, time N2
[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
放題 => doing as one pleases; to one's heart's content; leaving uncontrolled N1
を問わず => regardless of; irrespective of; no matter~ N2
の上で(は)/~上 => according to; from the viewpoint of ~ N2
上 => In terms of... N1
Position, perspective
を[問「と」]わず => Disregarding A; Without relation to A N2
Considering, Concerning
に際して => on the occasion of; at the time of ~ N2
以上 (の) => Just mentioned above N1
Standard
上げる => to finish doing ~ N3
その上 => besides; in addition; furthermore ~ N3
以上(は) => because; since; seeing that ~ N2