connective N1 rare written
〜にかかっては — in the hands of ~
〜にかかっては ・ にかかっては
A full written guide for 〜にかかっては is on the way.
This point is mapped in the grammar tree, but its examples, formation table and usage notes haven't been written yet. The fastest way to learn it now is to meet it in real sentences inside Jengo.
See 〜にかかっては in real sentences
Jengo shows 〜にかかっては the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.
Study it in JengoSources Compiled from published Japanese grammar references.