2020 Guam employers' tax forms available online Staff Reports Employers' annual tax forms for 2020 are available to download on the Department of Revenue and Taxation's website, www.guamtax.com/forms/index.html. The agency announced the availability of forms Saturday. The W-3SS, W-2GU, 1096, 1099-NEC and 1099-MISC forms are on the website. Rev and Tax strongly recommends employers report and file forms W-3SS/W-3GU and 1096/1099 electronically. The deadline to file both W-3SS/W-2GU's and 1096/1099-NEC forms with Rev and Tax, including e-filing, is Feb. 1, 2021. The deadline to file form...