The Department of Labor now has issued guidance, questions and answers, and a poster for those employers covered by the recently enacted Families First Coronavirus Response Act (FFCRA), which we have summarized here.
Guidance and FAQ Highlights
Notably, the FAQ states that the effective date of the FFCRA is April 1 and

With companies try to keep employees safe but still conduct business while the coronavirus flattens out, employers should be mindful of their obligations to employees while working off-site.