(a) The employer or DR, with assistance obtained from the CDSA or others, must:(1) develop a budget for each program service to be delivered through the CDS option;(2) project expenditures of funds allocated in the individual's authorized service plan for the effective period of the service plan;(3) use applicable budget workbooks available through DADS at www.dads.state.tx.us/business/communitycare/cds/CDSforms.html;(4) request assistance from the CDSA as needed;(5) submit each budget to the CDSA for review; and(6) obtain written approval for each budget from the CDSA before initiating services or making purchases for payment.(b) The CDSA must:(1) provide assistance as requested or needed by the employer or DR to develop a budget for each service to be delivered through the CDS option;(2) use appropriate budget workbooks available through DADS to review, calculate, and validate each budget; and(3) provide written approval to the employer or DR of each budget before implementation.