def METHOD_NAME(self, row: Row) -> None:
    mgmt_org = row.MANAGED_BY
    self.mgmt_orgs.add(mgmt_org)
    if mgmt_org in self.offices:
        office = self.offices[mgmt_org]
        pad_bbl = row.pad_bbl
        office.properties.add(
            Property(
                pad_bbl=pad_bbl,
                address=row.ADDRESS,
                development=row.DEVELOPMENT,
            )
        )
        if pad_bbl not in self.pad_bbls:
            self.pad_bbls[pad_bbl] = office
        elif (
            self.pad_bbls[pad_bbl] is not office and pad_bbl not in self.bbls_with_many_offices
        ):
            self.bbls_with_many_offices.add(pad_bbl)
            other_office = self.pad_bbls[pad_bbl]
            self.stdout.write(
                f"BBL {pad_bbl} is managed by "
                f"both {mgmt_org} and {other_office.row.MANAGED_BY}."
            )