In the OF "vigil" means an anticipated Mass said in the early evening...
33. If there is a qualified priest, a coetus fidelium (“group of faithful”), which follows the older liturgical tradition, can also celebrate the Sacred Triduum in the forma extraordinaria. When there is no church or oratory designated exclusively for such celebrations, the parish priest or Ordinary, in agreement with the qualified priest, should find some arrangement favourable to the good of souls, not excluding the possibility of a repetition of the celebration of the Sacred Triduum in the same church.
And as the Triduum is one big celebration, it is not allowed to celebrate only one of the days of Triduum (which is the reason, why our EF group which only celebrates Mass on Fridays didn't meet last Friday).
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