The Superintendent shall encourage state preschool program applicants or contracting agencies to offer full-day services through a combination of part-day preschool slots and part-day general child care and development programs. In order to facilitate a full-day of services, all of the following shall apply: (a) Part-day preschool programs provided pursuant to this section shall operate between 175 and 180 days. (b) Part-day general child care and development programs provided pursuant to this section may operate a minimum of 246 days per year unless the child development contract specified a lower minimum days of operation. Part-day general child care and development programs may operate a full-day for the remainder of the year after the completion of the preschool program. (c) Full day services provided under this section shall be reimbursed at no more than the standard reimbursement rate with adjustment factors. (d) Notwithstanding any provision of law, to be eligible for part-day child care, a child who is enrolled in a preschool program shall be required to meet the eligibility requirements specified in paragraph (4) of subdivision (a) of Section 8238.4 and the requirements pursuant to Sections 8263 and 8263.1 at the time of enrollment in a preschool. Subsequent to enrollment, a child shall be deemed eligible for part-day care as long as the child is enrolled in a preschool program.