The Paschal candle should be placed near the altar or ambo from the Easter Vigil through Evening Prayer of Pentecost Sunday. This candle need be lit only in “the more solemn liturgical celebrations” of the Easter season (Roman Missal, “Easter Vigil”, 70).
During this same period, the extended form of the dismissal at Mass (e.g., “Go in peace, alleluia, alleluia”) should be said or sung from the Easter Vigil through the Second Sunday of Easter, inclusive, and on the Solemnity of Pentecost.