- Sales tax due dates for September 2025 are listed by state
- Alabama, Arkansas, Colorado, District of Columbia, Georgia, Hawaii, Idaho, Illinois, Indiana, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Nebraska, New Jersey, North Carolina, Oklahoma, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota have due dates on September 22
- Alaska, California, Connecticut, Iowa, Massachusetts, Missouri, Nevada, North Dakota have due dates on September 30
- Arizona has a due date on September 29
- Kansas and New Mexico have due dates on September 25
- Ohio has a due date on September 23
- Florida has a due date on September 19
- Maine has a due date on September 15
- California and Iowa have quarterly prepay due on September 24 and September 22 respectively
- New York has quarterly sales tax and prepay due on September 22
- South Dakota has bimonthly sales tax due on September 22
- TaxJar offers a 30-day free trial for sales tax collection, reporting, and filing assistance
Source: taxjar.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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