He also called on Israel to take immediate steps “to address civilian harm, humanitarian suffering, and the safety of aid workers” and “made clear that U.S. policy with respect to Gaza will be determined by our assessment of Israel’s immediate action on these steps,” according to the White House statement.
All UNSC resolutions are binding.
Though israel has ignored like 160 other UN resolutions (not all security council) so international law doesn’t mean much since nobody enforces it.