Complex sentence: The rules determining domicile in common law jurisdictions are based on case law in origin, but most jurisdictions have altered some aspects of the common law rules by statute, the details of which vary from one jurisdiction to another.
Split into simpler sentences: The rules determining domicile in common law jurisdictions are based on case law in origin. Most jurisdictions have altered some aspects of the common law rules by statute, the details of which vary from one jurisdiction to another.