I have seen that on https://gis.ny.gov/civil-boundaries/ but there is also part of Mamaroneck that needs to be added to that relation, and  the third part is that Tiger data is showing different polygon so since it was not clear what is final solution, I have just fixed the broken boundaries in a way  it is functional. Please if you have the knowledge of how this relation should look like fix the members of the existing relation.

Sorry if this caused some trouble on your side, but there was broken relation so I made correction just to make it functional. 