Dividends taxation on RDSB

The dividends taxation for Royal Dutch Shell (RDSB) but on Duch market is based on UK or Dutch law (see attachment)

RDSA is Dutch.

So if your UK based, buy the RDSB.

The one in p

Are you sure ? Why not the one in EURO; is the same RDSB.

As far as I know, the taxation for A type is based on Dutch laws and B type are based on UK laws.
In platform there are 5 stocks for Dutch: 2 on UK market, 2 on Dutch market and one on German market (A stock)