(a) For all employees except janitors in residential buildings, the basic minimum hourly rate shall be, for each hour worked in:

1. (1) New York City for:

   1. (i) Large employers of 11 or more employees:

      $11.00 per hour on and after December 31, 2016;

      $13.00 per hour on and after December 31, 2017;

      $15.00 per hour on and after December 31, 2018;

   2. (ii) Small employers of 10 or fewer employees:

      $10.50 per hour on and after December 31, 2016;

      $12.00 per hour on and after December 31, 2017;

      $13.50 per hour on and after December 31, 2018;

      $15.00 per hour on and after December 31, 2019;

2. (2) Remainder of downstate (Nassau, Suffolk and Westchester counties):

   $10.00 per hour on and after December 31, 2016;

   $11.00 per hour on and after December 31, 2017;

   $12.00 per hour on and after December 31, 2018;

   $13.00 per hour on and after December 31, 2019;

   $14.00 per hour on and after December 31, 2020;

   $15.00 per hour on and after December 31, 2021;

3. (3) Remainder of State (outside of New York City and Nassau, Suffolk and Westchester counties):

   $9.70 per hour on and after December 31, 2016;

   $10.40 per hour on and after December 31, 2017;

   $11.10 per hour on and after December 31, 2018;

   $11.80 per hour on and after December 31, 2019;

   $12.50 per hour on and after December 31, 2020;

   $13.20 per hour on and after December 31, 2021.

4. (4) If a higher wage is established by Federal law pursuant to 29 U.S.C. section 206 or its successors, such wage shall apply.