Philippine Bar review · Question

Practice question: Mistake of Law as Basis for Solutio Indebiti

Multiple Choice Hard

Practice question

A lessee consistently believes a rental increase is invalid, protests it from the start, but deliberately pays while it is presumed effective to avoid disruption. The lessee later obtains a judicial ruling and pursues a contractual refund. An opponent says every such payment necessarily resulted from a mistaken understanding of law. Which answer accords with Domestic Petroleum?
  1. Every protested payment is necessarily a qualifying legal mistake
  2. The actual reason for payment matters; deliberate payment while maintaining the legal objection is not automatically mistaken belief, and the contractual basis must be assessed
  3. No legal remedy can ever exist after payment under protest
  4. Article 2155 automatically replaces every contract
  5. The later ruling proves the payer earlier believed the opposite of the protest

Legal references

  • Civil Code Articles 3 and 2154–2156: https://lawphil.net/statutes/repacts/ra1949/ra_386_1949.html
  • Domestic Petroleum Retailer v. MIAA, GR 210641, March 27, 2019, main decision: https://lawphil.net/judjuris/juri2019/mar2019/gr_210641_2019.html

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