I filed for modification of child support, asking for an increase.  My ex was not happy about this and hired a lawyer.  I can't afford one.  I have a notice of hearing which states the parties are to exchange financial documents beforehand.  In this notice, there is a list of documents that must be provided including copies of tax returns, paystubs, child care costs, etc.  That's fine, I am prepared to do that.  However I have just received a letter from my ex's lawyer asking for even more information, including 6 months of banks statements, credit card statements, a copy of my rental agreement, my school records, and so on.  Do I have to provide this information?