1. A formal announcement or statement made by a political candidate or party officially launching or outlining their election campaign
The candidate made a campaign declaration on the steps of city hall.
O candidato fez uma declaração de campanha nos degraus da prefeitura.
2. A public statement of intentions, principles, or policies issued during an election campaign
The campaign declaration outlined the party's position on healthcare reform.
A declaração de campanha delineou a posição do partido sobre a reforma da saúde.