Shiva Purana

siva.sh/siva-purana/rudra-samhita/116/21

चतुर्थे दिवसे प्राप्ते चतुर्थीकर्म शुद्धितः ।। बभूव विधिवद्येन विना खण्डित एव सः ।। २१ ।।

sanskrit

On the fourth day, the rite of Caturthīkarman was performed with due observance. Without this the marriage rites would have been incomplete.

english translation

caturthe divase prApte caturthIkarma zuddhitaH || babhUva vidhivadyena vinA khaNDita eva saH || 21 ||

hk transliteration by Sanscript