Is it possible to reconcile a cash accrual income statement to a tax return?

Question

by adjusting for accrued income & expenses, depreciation, principal payments, etc...? If not what contributes to difference?

Answer 1

No

Answer 2

I think you're mixing apples and oranges. Accounting can be done on either a cash or accrual basis. Tax returns are done on an accural basis. The way you reconcile cash and accrual based accounting is through the cash flow statement