وَإِنْ تَرَكَ طَوَافَ الصَّدْرِ، أَوْ أَرْبَعَةَ أَشْوَاطٍ مِنْهُ: فَعَلَيْهِ شَاةٌ.
Translation: If the farewell tawaf is omitted entirely, or four of its circuits are omitted, a sheep offering is due.
The text distinguishes omitting three circuits (charity) from omitting four or the entire farewell tawaf (sheep).
This assumes that farewell tawaf is obligatory for the person concerned. The rulings for Mecca residents and specified exemptions are treated separately.