... the health department, surprisingly, did not anticipate the wave ofpractical concerns that surfaced when the plan was publicized. Theseincluded the worry that the plan would conflict with rules adopted byNew York state, or possible new federal rules, concerningidentification documents. Reservations were also voiced by institutionslike hospitals, jails, and schools, which routinely segregate accordingto sex. These concerns led the Board of Health to withdraw theproposal, settling instead for a minor amendment permitting individualsto change, rather than to delete, the sex on their certificate aftersurgery.