LPG Limits?
Reader "Initial YUCS FatWalleter" inquires whether there are limits on LPG (BVG has/had a limit of 4 transactions per year - $250 max per transaction for a theoretical max of $1000 total). While the LPG program has a $250/transaction, $1000/year max, there is not stated limit to the number of transactions/year.
Regarding his question about the sufficiency of information on the receipt, it does include UPC numbers, which, if not enough alone, could be combined with photocopies of the back of the book and spine (with title on it).