=== Submission Month Calculation Test ===
Testing submission month calculation:
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2024-01-15   + 2 months = March      [PASS]
2024-02-01   + 2 months = April      [PASS]
2024-03-31   + 2 months = May        [PASS]
2024-10-01   + 2 months = December   [PASS]
2024-11-15   + 2 months = January    [PASS]
2024-12-31   + 2 months = February   [PASS]
2023-06-15   + 2 months = August     [PASS]
2025-09-01   + 2 months = November   [PASS]
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Test completed!