Resolution will be based on official US data and credible reporting, including:

https://www.dol.gov/newsroom/releases/eta

Resolution will be based on the headline number, which is typically rounded to the nearest thousand, not the raw underlying data. If the report is not released this week (before end of Sunday 22nd, Eastern Time), the market would resolve as N/A.

I will aim to resolve this market within one hour of the market closing, unless there is material uncertainty or disagreement about the outcome. I may bet on this market.