Basic principle — for each non-trivial amount on any bank/ccard/FsmCashAcct history, the amount must hit double-entry — AA) reflected in current snapshot BB) show up visibly in the outgoing column (or the incoming column)

• Eg: a dcard charge is reflected in AA not BB because it’s invisible in transaction history
• Eg: a ccard rebate hits AA not BB
• Eg: mistake in the Begin snapshot. A spend was mistakenly (excluded or) included in the current period so it may show up in BB but not AA
• A celebrated eg: banknote spend ] monthly exp-recon