Panel QME list then exam time period question (California)

SCENARIO:
1. Unrepresented applicant requests a Panel QME.
2. The list comes out.
3. Three months later the applicant becomes represented. The AA picks a Panel QME and sets the exam. No stirking of QME's he just picks one as AA.
QUESTIONS:
1. Once the Panel QME list is issued, what is the latest the exam can occur?
Ie 60 days for the issuance of the list? 90 days? etc.
2. Post panel qme list issuance, if the applicant becomes represented before the exam does the process change to labor code 4062.2?
1. Unrepresented applicant requests a Panel QME.
2. The list comes out.
3. Three months later the applicant becomes represented. The AA picks a Panel QME and sets the exam. No stirking of QME's he just picks one as AA.
QUESTIONS:
1. Once the Panel QME list is issued, what is the latest the exam can occur?
Ie 60 days for the issuance of the list? 90 days? etc.
2. Post panel qme list issuance, if the applicant becomes represented before the exam does the process change to labor code 4062.2?