The responsibility of

“The responsibility of” Crossword Clue, 6 letters (4,2)

The Answer: DOWN TO

Be down to, PHRASE meaning:

1. Be attributable to (a particular factor or circumstance)
example sentences: ‘he claimed his problems were down to the media’

1.1 Be the responsibility of (a particular person)
example sentences: ‘it’s down to you to make sure the boiler receives regular servicing’

2. Be left with only (the specified amount)
example sentences: ‘I’m down to my last few pounds’