A Watts charge is an obligation to the other spouse for one-half of the reasonable value for the exclusive use of a community asset after date of separation. So, if the parties own a house, the monthly mortgage payment is a community debt.Click to see full answer. Also asked, what are Epstein credits?What Are Epstein Credits. “Epstein credits” is a doctrine that holds that as a general rule courts must reimburse one spouse who uses earnings or other separate funds after separation to pay pre-existing community estate obligations.Beside above, how is Moore Marsden calculated? Thus, we have the Moore/Marsden calculation, which is as follows: Add together the dollar-for-dollar reimbursement and the pro tanto share and you get the community interest in the property. Multiply this by this equation: Numerator = Community property payments of principal. Similarly one may ask, are Watts credits mandatory? No, Epstein Credits and Watts Charges are not automatic during a divorce. A spouse who is not exclusively enjoying specific community property must request Watts Charges and a spouse who is exclusively paying for community property from separate and independent funds must request Epstein Credits.What is Moore Marsden?The Moore Marsden formula typically deals with what happens to the equity in property owned in the name of one spouse alone – in this case a house – where during marriage community property (i.e., either spouse’s earnings) is used to make mortgage payments.