If necessary can we file for an extension to e-file Form 1099-NEC?
file Form 8809 through the FIRE system for an automatic 30-day extension
https://www.irs.gov/forms-pubs/about-form-8809
anyone using IRIS?
Filing dates. Section 6071(c) requires you to file Form 1099-NEC on or before January 31, using either paper or electronic filing procedures. File Form 1099-MISC by February 28, if you file on paper, or March 31, if you file electronically.
https://www.irs.gov/forms-pubs/about-form-1099-misc
http://www.irs.gov/filing/e-file-forms-1099-with-iris