Belizean nationals whose stay in the United States had to be extended due to the COVID-19 pandemic, please visit the following site to access the necessary forms.

Request for Extension - Form I-539
Request for Fee Waiver - Form I-912
(Both forms should be completed)

https://www.uscis.gov/humanitarian/special-situations

Also for quick reference, please see the link to file the extension of stay electronically
https://www.uscis.gov/i-539