Question juridique clé
Whether maintenance contributions paid for adult children were deductible under Art. 21 let. f LCP
Solution extraite
Under the cantonal provision, maintenance payments for adult children are not deductible.
Motifs extraits
The wording is not decisive in isolation; legislative history, systematics, and harmonization with federal tax law show that the 1992 amendment did not intend to extend deductibility to adult-child maintenance.