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---
name: cash-basis-corporate-tax-reconciliation
description: Reconcile conflicting revenue sources and prepare Form 1120 for cash-method C-Corps using bank deposits as authoritative source
version: 1.0.0
source: auto-extracted
extracted: 2026-04-14
metadata:
tags: ["tax-filing", "form-1120", "cash-method", "reconciliation", "corporate-tax"]
---
# Cash-Basis Corporate Tax Reconciliation
When preparing Form 1120 for a cash-method C-Corp with conflicting revenue records (invoices vs. bank deposits), establish the expense/bank-activity sheet as the source of truth—it reflects actual cash receipts, not invoice dates. Map every line of the authoritative expense sheet directly to Form 1120 and Schedule L line items. For entities without prior-year returns, reconstruct beginning-of-year balances from known liabilities (e.g., outstanding loan principal) and work backward to validate the equity position. This approach resolves revenue timing disputes and ensures Schedule M-1 reconciliation aligns with cash-basis accounting rules.