P.918.493.2002 Fax 918.203.2307
7030 S YALE AVE STE 300 TULSA, OK 74136-5722
MILAM & ASSOCIATES, PLLC
Main Content
UPCOMING DUE DATES
1/20/24: Sales Tax, Use Tax, Payroll Deposits
1/31/24: 941, 940, W3/W2, 1096/1099 (MISC & NEC)
Due the 20th day of the following month: Sales Tax, Use Tax, Payroll Deposits
3/2/26: Cutoff date for Individual Returns with no extension, otherwise an extension will be calculated to file on 4/15 [date subject to change]
3/16/26: 2025 Partnership Tax Returns,
2025 S-Corp Tax Returns
2025 PTE $ Due
2026 County Business & Ag Property Renditions
3/20/24: Sales Tax, Use Tax, Payroll Deposits
4/15/24: 2023 Individual Tax Returns,
2025 Fiduciary Tax Returns
2025 Corporate Tax Returns
2025 Extensions / 2025 $ Due (Fed Forms 4868/8868/7004, States, if req)
2026 1st Quarter $ Due (1040/OW8ES/KS etc)
FIRM UPDATES
Organizers for the tax year ending December 31, 2025
will be mailed and emailed starting January 2, 2026.
FORMS
Pay Federal Extension Online (Instructions)
Pay Oklahoma Extension Online (Instructions)
Both Fed & OK Online (Instructions)
2023TY Blank organizers
2023 Client Questions
Click here for additional organizer pages and other state pages
Consent to disclose forms (Single)
Consent to disclose forms (Married)