Civil Code (Cap. 16), article 544

544. With regard to decorative expenses the possessor, whether in good or bad faith, shall only be entitled to take back the adornments in kind, provided this be advantageous to the posses sor 158 [CAP. 16. CIVIL CODE and not injurious to the thing, unless the owner desires to ret ain such adornments, and pay to the possessor a sum corresponding t o the profit that the latter mi ght make by taking them away. Definition of necessary, useful and decorative expenses.