Elemental mercury is a shiny, silver-white metal that is a liquid at room temperature and is traditionally used in thermometers and some electrical switches. If not enclosed, at room temperature some of the metallic mercury will evaporate and form mercury vapours. Mercury vapours are colourless and odourless.
How much time need to pass for an AR account to be considered delinquent? The amount of time required to pass for an AR account to be  considered delinquent is 30 days.
A chargeoff occurs when an account is seriously delinquent â for credit cards, thatâs 180 days of not making the minimum payment, according to IRS law â and the bank writes off the debt as uncollectable. But just because your bank has written off the debt, you arenât necessarily off the hook.