Kesuba: 
It is permitted to write a Kesuba on Chol Hamoed, however there are opinions that are stringent.<a href="#_ftn1" name="_ftnref1">[1]</a> Practically one is to write it in regular script.<a href="#_ftn2" name="_ftnref2">[2]</a>
__________________________________________________
<a href="#_ftnref1" name="_ftn1">[1]</a> Rama 545:5
<a href="#_ftnref2" name="_ftn2">[2]</a> M”B 545:29

Shulchan Aruch HaRav | Writing a Kesuba on Chol Hamoed

Kesuba: It is permitted to write a Kesuba on Chol Hamoed, however there are opinions that are stringent.[1] Practically one is to write it in regular script.[2] __________________________________________________ [1] Rama 545:5 [2] M”B 545:29