My DH and I received custody of our nephew last year. His mother died in 2008 and he went to live with his dad. When we got custody, I had social security start sending me the survivor benefits checks. What I was told by the SS office was that it was okay to save the money but it had to be in an interest earnings account.
My former brother in law, who has custody of my sister's other two kids says that he had a co-worker who was getting survivor benefits for his children. He was saving all the money and reporting it each year. Well, all of a sudden apparently his benefits were reduced for each kid. He swears its because he was saving the money and not spending it. (I can't verify the truth to this story, but with SS anything this possible I guess).
To be on the safe side, we've kept track of expenses and will report it as being spent. Any savings that we put aside for him will be with our personal money. Of course, since we got custody of him, he's had a trip to the emergency room and multiple Dr appts for migraines, over $2,000 of dental work, and still needs braces and wisdom tooth extraction. So, that money is coming in really handy for us right now and its been pretty easy to track since we've had large payments. I keep up with this monthly, so if I need more expenses to match his monthly check, I allocate 1/3 of all grocery bills to him and any clothing or school supplies that I've purchased for him. I wasn't used to having kids in the house, so I was actually a little surpised how quickly it all added up.
It just dawned on me.....when does SS usually send the forms out to report how you spent the money? I just realized that I didn't get anything for 2011. We got two checks in 2011 and I received his 1099, but until I read this thread I hadn't even though about this form to fill out. Hopefully I haven't missed a deadline or anything. (That would be my luck).