ยง 2. Application. This chapter shall apply to all counties, except
that:
1. It shall not apply to counties within the city of New York.
2. It shall not affect the form of government in operation in a county
which shall have heretofore adopted or shall hereafter adopt an
alternative form of county government pursuant to any law other than
this chapter, except that any such county may adopt any one of the
alternative forms of county government provided in this chapter by the
procedure herein provided.