We may not write loan contracts during [Chol] HaMoed. However, if he does not trust him, or if he has nothing to eat, then he may write.  We may not write Books [of Scripture], nor tefillin, nor mezuzos during [Chol] HaMoed. We may not correct a single letter even in the [Torah] scroll of the Temple court. R' Yehudah says: A person may write tefillin or mezuzos for his personal use; and he may spin the blue thread for his tzitzis, on his thigh.

He who buries his dead [relative] three days before a festival has the edict of seven [days of mourning] annulled. [He who buries his dead relative] eight [days before a festival] has the edict of thirty [days of mourning] annulled. [This is so] because they said: Sabbath is included [in the period of mourning] but does not interrupt [it]. Festivals [however] interrupt but are not included.