A new law passed in France would allow immigration authorities there to require DNA testing to prove the claimed family relationships of prospective immigrants. Passage of the law followed an outcry from those concerned that the strong protections for privacy in French law were being violated or eroded by the new measures; some others were concerned about the high cost of DNA testing.

For comparison: DNA tests are often required in US immigration cases, especially where the prospective immigrants come from developing countries (the reliability or authenticity of whose documents the State Department frequently distrusts). There’s precious little opposition to DNA testing in this country that I’ve ever heard of - correct me if I’m mistaken. A DNA study for a parent-child or sibling case usually costs about $600.

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