The chief judge of the US District Court for the Central District of California has asked the 9th Circuit Council to approve extending the Speedy Trial Act's time limits for bringing certain criminal cases to trial due to COVID-19 https://assets.documentcloud.org/documents/6826261/4-6-20-CD-California-Speedy-Trial-Act-Letter.pdf

The 9th Circuit Council already approved a similar request from the Southern District of California, see this thread for details on how this works: https://twitter.com/ZoeTillman/status/1246055315235274753