You will need your corporate ID number in order to make these payments.  

Corporate ID Search

The corporate ID number is the Entity Number without the "C"  
​
Note: If you are an LLC being taxed as an C Corp, you cannot search for your corporate ID number this way

---

2018 Tax Return Payment
See email for amount owed

C Corp Due: 04/15/19

Payment Link

Entity type: Corporation
Entity ID: See email
Corporate Form Type: 100
Payment Type: Original Return Payment (Form 100)
Period Beginning Date: 01/01/18
Period Ending Date: 12/31/18

---

 2019 Estimated Tax Payment

Payment Link

Due 04/15/19 ($800 Minimum),
6/15/19, 9/15/19, 12/15/19

Entity type: Corporation
Entity ID: See email
Corporate Form Type: 100
Payment Type: Estimated Tax Payment (Form 100ES)
Period Beginning Date: 01/01/19
Period Ending Date: 12/31/19

---

*Due dates are for calendar year filers