Article 2529 of the French Civil Code
Where several formalities of a nature to produce effects enforceable against third parties under Article 2528, are required on the same day in respect of the same immovable, the one required under the title with the earliest date is deemed to rank earlier, regardless of the order of the registered filings. Where a formality required under 1°, excluding i, and 2° of Article 2521 and likely to produce effects enforceable…