Where can I find more information about Form ST-556, Sales Tax Transaction Return, and ST-556-LSE, Transaction Return for Leases?

For information about Form ST-556 and Form ST-556-LSE, see the instructions to these forms; ST-9, A Guide for Reporting Sales Using Form ST-556, Sales Transaction Return; ST-9-LSE, A Guide for Reporting Sales Using Form ST-556-LSE; or Illinois Administrative Code, Title 86, Section 130.540.

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