Incidental question
Incidental questions in private international law with respect to the problems and elements discussed below.
In the Roman conflict of laws, an incidental question is a legal issue that arises in connection with the major cause of action in a lawsuit. The forum court will have already decided that it has jurisdiction to hear the case and will be working through the next two stages of the conflict process, namely: characterisation and choice of law. For example, the court may classify the cause as "succession", but it notes that the plaintiff brings the claim for relief as the deceased's widow. Before the court can adjudicate on the main issue, it must first decide whether the plaintiff actually has the status claimed, i.e. the incidental question would be the validity of the claimed marriage. The inconvenient reality is that many lawsuits involve a number of interdependent legal issues. In purely domestic cases, this poses no difficulty because a judge will freely move from one domestic law to another to resolve the dispute. But in a conflict case, the question is whether the incidental question is resolved by reference either to its own choice of law rules, or to the same law that governs the main issue. States have not formulated a consistent answer to this question.
For an incidental question to arise, the forum court must have applied its characterisation rules to determine that:
- the main cause of action is governed by a foreign law;
- as a precondition to the main cause of action, there is a subsidiary question which has its own choice of law rule pointing to a different lex causae;
- there will be a different result depending on which foreign law is applied.
- the widow's claim should be dismissed because otherwise the French conflict rule that succession to movables is governed by California law would be undermined;
- the widow should be entitled to share in her husband's estate because otherwise the French conflict rule that the validity of the marriage is governed by English law would be undermined.
In Lawrence v Lawrence Fam 106 the English Court of Appeal was asked by the second husband to rule on the validity of another potentially bigamous marriage. The wife first married in Brazil and then divorced the husband in Nevada and immediately married the second husband in Nevada. The two laws were the wife's lex domicilii to which English choice of law rules referred her capacity to marry and the validity of the second marriage which was determined under the lex loci celebrationis. The case was decided by characterising the case as one of divorce recognition rather than capacity to marry.
The outcome suggests that the same law will be applied to both the main and the incidental questions on the understanding that the forum court is probably making a policy (law)|policy] decision on which outcome is the more desirablein both cases, the courts seem to have been interested in upholding the validity of the second marriage reflecting a rebuttable presumption in both jurisdictions to recognise marriages valid under their lex loci celebrationis in default of any strong policy reason to the contrary.