"Billionaire US President-elect Donald Trump has said he is not obliged to cut ties to his business empire when he takes office on 20 January.” - this is true.
"A Democratic senator is tabling a resolution calling on him to liquidate his assets to prove he does not intend to profit from the office of president.” - this is also true
"There is no legal requirement to liquidate assets but past US presidents have set aside their business dealings.” - also true
Trump might not have to liquidate his assets and there may be no legal requirement to declare conflict of interest or put his finances into some sort of blind trust, but that’s only because of how the position he has been elected to is defined - hence the misleading headline.