764. Loans on Chol HaMoed

104:16 If a person needs money, even not for the sake of the holiday, and he’s afraid that he won’t find another lender after yom tov, and the lender he has now doesn’t want to do so without a promissory note, then one is permitted to write the promissory note.

104:17 We don’t get married on chol hamoed because we do not combine two joyous occasions. One may, however, remarry his ex-wife and make a feast for a bris or a pidyon haben. One may also make a party to celebrate an engagement.