Canon 47
The fact that catechumens who were baptized while ill are obligated to continue studying the faith after recovery.
That those enlightened by holy baptism during illness and then recovered should study the faith and learn that they have been awarded the Divine gift.
Greek original
Ὅτι δεῖ τοὺς ἐν νόσῳ παραλαμβάνοντας τὸ φώτισμα, καὶ εἶτα ἀναστάντας, ἐκμανθάνειν τὴν πίστιν, καὶ γινώσκειν, ὅτι θείας δωρεᾶς κατηξιώθησαν.
Parallel canons
IВс.214Трул.7896Неокес.12Лаод.194546Карф.45