Field help (UOMCNVFLG1)

If the sales unit is different from the unit of the price list line, the price list is not used.

Yes

If the purchase unit is different, the quantity and amount criteria for the price list are converted according to the unit of conversion coefficients table.
If no conversion is set up for the purchase and price list units in this table, the price list amounts are considered using a conversion rate of 1.