Stancu-Minasian and Stancu [Duality for multiple objective fractional programming with generalized type-I univexity. In: A. Migdalas et al. (eds.), Optimization Theory, Decision Making and Operations Research Applications, Springer Proceedings in Mathematics & Statistics 31, DOI 10.1007/978-1-4614-5134-1 14, Springer Science + Business Media New York 2013, pp. 199-209.] introduced a new class of (F, b, φ, ρ, θ)-type I univex n-set functions, according to a partition, where F is a convex function in the third argument. In this paper we discuss semiparametric sufficient efficiency conditions for a multiobjective fractional programming problem involving aforesaid class of n-set functions. © 2024, Politechnica University of Bucharest. All rights reserved.