The protest, promoted by Sociedad Civil Española, an entity grouping over 150 civil associations, is scheduled to begin at 10:30 AM from Plaza de Colón and is expected to conclude at the Moncloa Arch around 12:30 PM. The main slogan of the call is "Sánchez, resign now!". The organization argues that there is widespread "indignation" among Spaniards regarding the direction the current government is taking.

From VOX, the attendance of its national spokesperson and leader in Madrid, José Antonio Fúster, has been confirmed, along with other sectoral spokespersons such as Isabel Pérez Moñino (Agenda España), Samuel Vázquez (Interior and Security), and Ainhoa García (Family). The party has also announced the presence of spokespersons and deputies from the Congress. The march will also be joined by the think tank Atenea, chaired by Iván Espinosa de los Monteros; former politician Alejo Vidal-Quadras; and the Zionist association Acción y Comunicación sobre Oriente Medio (ACOM).

Sources from the national leadership of the PP have confirmed that the party will be represented at the demonstration, although specific officials attending have not yet been detailed. However, it has been specified that neither the PP president, Alberto Núñez Feijóo, nor the secretary general, Miguel Tellado, will be present, as they will be in the Balearic Islands attending the PP's Balearic congress. The Madrid PP, led by Isabel Díaz Ayuso, has also shown its support, with the participation of a delegation from the Popular Group of the Assembly of Madrid and members of the regional leadership.

Consulted PP sources have indicated that they will attend without party flags to avoid ""patrimonializing" the protest. Despite some previous criticisms from one of the organizers towards the PP on social media, the party has emphasized that, although it considers such treatment "incorrect," it "respects and supports this call to demand Pedro Sánchez's resignation."