Question

Alex, a Filipino citizen, and Sarah, a Canadian citizen, plan to get married in the Philippines. However, they have concerns regarding the laws that will govern their marriage. They want to ensure that their marriage will be valid and recognized in both the Philippines and Canada.

Discuss the application of the doctrine of renvoi and the doctrine of processual presumption, particularly in relation to the lex loci celebrationis rule. Analyze how these doctrines may affect the determination of the governing law in Alex and Sarah's case.