The federalism argument is that marriage and family law have traditionally been state domains, and therefore Congress lacks authority to legislate in these areas.

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For more information about marriage, divorce and family law, read Boomer's Guide to Divorce and The Divorce Process: Empowerment Through Knowledge by family law attorney Marlene M.

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If so, the casualty would be Muslim family law, which governs marriage and inheritance for Muslims.

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Funding will continue for some civil cases including family law involving domestic violence or forced marriage and debt and housing matters where someone's home is at immediate risk.

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Sayyad Fadhil Milani, spiritual leader at the Al-Khoei Centre in Brent, north-west London, is widely regarded as the UK's most senior Shia Islamic scholar and has written about the mut'ah marriage in his book Islamic Family Law.

BBC: I do... for now. UK Muslims revive temporary marriages