Default tax jurisdiction code from vednor master in PO

Hi,

In Vendor master address screen there filed Tax Jurisdictn in which we have maintain Tax Jurisdictn now is there any way that while creating PO ref. to the vednor code the Tax Jurisdictn should come in the PO also is there any way for default tax code for vendor for all materials insted of maiatining Info record for each vendor and material combination.

regards,

zafar