Schedule 18. Miscellaneous Schedule 18. Miscellaneous Summary: This is an example of a schedule used to record any losses to personal property for an individual taxpayer. This recordkeeping would be used to help determine the amount of loss the taxpayer may be able to claim as credit/deduction on their return. This schedule is used to record any miscellaneous items that are not covered on the other schedules (such as musical instruments or porch furniture) that may be lost due to theft or damage.