When buying ingredients certified to USDA standards, what does a US/Canada Organic Equivalency Arrangement (USCOEA) attestation confirm?

In order for a USDA NOP-certified product to be equivalent to COR standards, it needs to be accompanied by an attestation that declares equivalency. The attestation confirms the following:

1. The product was not produced using sodium nitrate (Chilean nitrate).
2. The product was not grown using hydroponic or aeroponic production methods.
3. Agricultural products derived from animals (with the exception of ruminants) were raised according to livestock stocking rates set out in Canada’s Organic Standards (CAN/CGSB 32.310 - 2015).