Check the Rules for your State. Guessing you'll need to notify the UI Agency of being out of your normal Labor Mkt area (for A&A = Available & Able to Search for &/or Accept Work). Plus, afaik, Canada currently has Travel Restrictions including Quarantine = ~2 Weeks Ineligibility (make sure to obtain Documentation for the specific period of Mandatory Quarantine to avoid running into issues of having to get a Dr's Verif of "release" for A&A).
ETA: Checked your Profile = NYS; here's a Thread that has the specific Instructions already addressed >>
https://www.city-data.com/forum/unem...ye-canada.html There are a few more Threads, if you opt to use the Search function, but this one was the shortest.