From Treasury.Gov's Capital Projects Fund website:
The Coronavirus Capital Projects Fund (Capital Projects Fund) will address many challenges laid bare by the pandemic, especially in rural America, Tribal communities, and low- and moderate-income communities, helping to ensure that all communities have access to the high-quality modern infrastructure, including broadband, needed to access critical services.
Deadline to Request Funding
The deadline to request funding for Tribal Governments is June 1, 2022.