Final answer:
Written input for performance reports should be obtained a sufficient time before the due date, potentially analogous to the 60-day notice required for employers with the large workforce for plant closings or layoffs, ensuring stakeholder engagement and buy-in during transitions.
Step-by-step explanation:
The question seems to be regarding the timing for obtaining members' written input for performance reports. While the information provided does not specify a precise number of months prior, it does mention that employers with more than 100 employees must provide a written notice 60 days before plant closings or large layoffs, which could relate to organizational performance reporting requirements. This 60-day period could be analogous to the time frame for soliciting written input for performance reports to ensure stakeholder engagement and buy-in, particularly during transitional phases within a project or organization.