The standard provides:
The Carpathian Shepherd Dog is of the mesocephalic type...
Meaning long headed, wherein the cranial length is greater than the cranial width.
Long, rectangular cranium.
Meaning short headed or broad headed, wherein the length of the cranium is shorter than the width. This gives the top and sides of the cranium a round shape, often referred to as 'apple-head'.
Wide or oval cranium.
Meaning the ratio of cranial length is equal to cranial width, normal or medium proportion.