SKIP transaction data records basis dimension property values

Hi,

Following is my requirement.

While loading transaction data from a flat file, I need to compare the UOM mentioned in the flat file against a Material code, and the UOM property of the Dimension Material. So if the UOM of flat file matches the UOM of master data then the record should be loaded, else the record should be skipped.

Any help how this can be achieved. I would like to keep BADI as the last option so i'm looking at the standard functionalities first (if available).

Thanks in advance.

Cheers,

Nitin