Reg E requires that within two days of making the provisional credit you notify them of the amount of the credit. Any other rules should agree with that or be more stringent. You also have to send a written notice if you deny the claim. That would be done within three business days.
1. Antimatter â $6.25 trillion per gram. By far the most expensive substance on earth is antimatter, which requires some of the most advanced technology available, such as CERN, in order to create small amounts that are enough for physicists to study.
In terms of production costs, the most expensive substance in the world is antimatter. The cost of creating this material has been estimated at about $1,771 trillion US Dollars (USD) per ounce ($62.5 trillion USD per gram), although some authorities think it may eventually come down to a mere $141.75 billion USD per ounce ($5 billion USD per gram).