Can a Shi'a man marry a Sunni woman if she insists that the marriage contract be according to Sunni…

Answer

In the name of Allah, they must also conduct the marriage contract according to the Shi'a method. However, it is not appropriate for a rational Shi'a to marry a non-Shi'a unless he is certain that he will be able to raise the children with purely Shi'a upbringing. Allah is the Guide and knows best.