I have been contacted by PayPal regarding this.
I can not find the link to any EU sites with the new law information. It is on stripes web site:
https://stripe.com/en-US/guides/strong- ... entication
We are contacting all the gateways that are included in opencart to get them to update their opencart payment extensions.On 14 September 2019, new requirements for authenticating online payments will be introduced in Europe as part of the second Payment Services Directive (PSD2).
If you require a quick solution i recommened cardinal commerces JS 3d secure intergration:
https://developer.cardinalcommerce.com/index.shtml