[16] As deputy, he presented several bills proposing the nationalization of oil, prohibiting outsourcing, dismantling the State's repressive forces, including government espionage and the criminalization of social protests, demanding the declassification of files ranging from times of the Dictatorship to the current government, and questioning the existence of a political caste with higher salaries, proposing they be reduced to that of a teacher or a qualified worker.

[17][18][19][20] During a strike of laid-off workers of Lear Corporation in 2014 at their factory in General Pacheco, within Greater Buenos Aires; Del Caño was attacked with rubber bullets from the National Gendarmerie while he was supporting a picket line in the Pan-American Highway.

[21][22] After Del Caño's complaint, judge Sandra Arroyo Salgado ordered that the National Gendarmerie could no longer make operations within the highway.

In March 2017, the PTS announced Del Caño as pre-candidate to deputy for the Province of Buenos Aires to represent the FIT in the legislative elections.

Néstor Pitrola (PO) was especially emphatic about Del Caño appearing as pre-candidate for the Province of Buenos Aires when the previous election he had already contended as deputy for Mendoza.

[30] Del Caño received 5,54% of votes and starting in December 2017 led the PTS-FIT parliamentary bloc alongside Nathalia González Seligra.