Senate committee substitute to the 1st edition makes the following changes. Changes the education criteria for an individual seeking recognition of a CDA credential for birth through three years of age or three to five years, to allow for a person to complete 120 hours of formal early childhood education from either birth through three years of age or three to five years of age (was, 120 hours of formal early childhood education on just children aged three to five years of age).  Expands the experience requirement to allow for a person seeking a CDA credential to obtain 480 hours of professional work experience in a center-based setting with children either birth through three years of age or three to five years of age (was, just children three to five years of age).