German Type737->JAA737

[Stall4All]

Question:

Say I am in possesion of a Dutch Frozen-Atpl/JAA Frozen-Atpl with SE and IR.
And I have a German Frozen-Atpl with B737-NG type. Germany does not issue JAA licenses yet and is not allowed to take a JAA-profcheck.
How do i get my German737Type to my JAA license???
And do you need a minimum amount of hours on the German 737 rating f.e. 500hrs on type??

Thanks in advance

Stall