As you know
The normal PAL/DV “pixel aspect ratio” is 1.09, making this PAL file “anamorphic” for supporting 16:9 within this SD format will to change the “pixel aspect ratio” to 1.46, you will still have a PAL 720 x 576 frame but your 16:9 (1.778 image ratio) will be squizzed in the 720×576 (1.25 image ratio).
Real HD is always square ” pixel aspect ratio” = 1 except in some camera codecs like dvcproHD , HDV …
So your ouput will be PAL CCIR 601 / DV (720×576) with a PixelAspedtRation of 1.46 , codec MPEG IMX 625/50 at 50 Mb/s , the remaining question is can you deliver in ” .mov ” or are they expecting full compliance to the imx standard being MXF file with multiple dual mono audio channels.
I did not know how to answer your question , so I hope this can be usefull
all the best
zap