2018 1120 pdf-2025

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The document is the 2018 Form IL-1120, a Corporation Income and Replacement Tax Return for the Illinois Department of Revenue. It provides instructions for corporations to report their income, calculate taxes owed, and submit necessary documentation. The form includes sections for identifying the corporation, detailing income or loss, calculating base income, and determining net income and taxes after credits. It also outlines filing requirements and payment instructions.

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