As soon as possible; the tax credits will be key, especially right now with the diversity between small and medium- to large-sized companies that are implementing the use of new tools and products. They would never have had that burden of cost in the past.
In this case, they may not qualify for the $77 million in benefits that have been put in place. Tax credits would at least provide an additional incentive to ensure that the employees are safe. They're doing it now, but it would enable a business continuity plan.