sec.375Approved control systems for existing operators

### sec.375 Approved control systems for existing operators An existing operator’s existing control system is, with any necessary modifications, taken to be the operator’s approved control system until— if paragraph (b) does not apply—the end of the submission period; or if, during the submission period, the existing operator makes a control system submission to the chief executive—the chief executive makes a decision under section 166 approving, or refusing to approve, the control system to which the submission relates. s 375 ins 1999 No. 8 s 122 - (a) if paragraph (b) does not apply—the end of the submission period; or - (b) if, during the submission period, the existing operator makes a control system submission to the chief executive—the chief executive makes a decision under section 166 approving, or refusing to approve, the control system to which the submission relates.