Priority Date on Pending I-485 / I-140 approved

[horseinbathroom]

I recently got my I-140 approved, rather on Sept 4th. The priority date section on my I-485, as well I-140 is empty. How can I know my priority date?

Other details:

Category: EB2/India
I140/I485 Concurrently filed
I140/I485 Receipt date August 16, 2007
I140/I485 Notice date October 4, 2007
I-140 approved September 4, 2008
I-485 pending

Thanks

[huggies_rash]

priority date is the date your labour cert was filed. Check out labour cert or if no labour cert was required the date I-140 was filed.