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May 14, 1992 THE REGULATIONS REPRODUCED HERE HAVE BEEN PROVIDED BY THE. DEPARTMENT OF ENVIRONMENTAL CONSERVATION AS A PUBLIC COURTESY.Read more
If you have not already done so, you will need to. Web form st‐556‐lse can be filed electronically by using mytax illinois, available on our website at tax.Read more
Alternatively, you can obtain ST-556 forms preprinted for each of your business locations by calling our Central Registration Division at 217 785-3707.Read more