2960 Center Green Ct, Boulder, Colorado 80301

Resources

Events Calendar

The interactive calendar highlights federal and state tax due dates, special firm events and other important dates that may be of interest to you. The calendar is updated regularly, so check back often to keep track of filing requirements, deadlines, and other events that will help you stay current and up-to-date.

The calendar below shows important tax due dates and other events. Events have been categorized as Individual, Business and State tax due dates, as well as general Firm events. Hover over an event to view its details.

Business Individual Firm State
Previous Month Next Month January 2024
2023 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2025
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
31 December
1
2
3
4
Employment (Semi-weekly Employment Deposit)
Employment (Electronic Filing)
Employment (Electronic Filing)
5
Employment (Semi-weekly Employment Deposit)
6
7
8
9
10
Employment (Semi-weekly Employment Deposit)
Employment (Electronic Filing)
Individual Income (4070)
11
12
Employment (Semi-weekly Employment Deposit)
13
14
15
16
Employment (Monthly Employment Deposit)
Employment (DR 1094)
Employment (DR 1107)
Pass-Through Income (106EP)
Individual Income (1040-ES)
Individual Income (1041-ES)
Individual Income (104EP)
17
18
Employment (Semi-weekly Employment Deposit)
Employment (Electronic Filing)
19
Employment (Semi-weekly Employment Deposit)
20
21
22
Sales & Use (DR-100)
Sales & Use (DR-100)
Sales & Use (DR-100)
23
24
Employment (Semi-weekly Employment Deposit)
Employment (Electronic Filing)
25
26
Employment (Semi-weekly Employment Deposit)
27
28
29
30
31
Employment (941)
Employment (943)
Employment (945)
Pass-Through Income (8308)
Corporate Income/Franchise (1098)
Employment (940)
Corporate Income/Franchise (Information Return)
Employment (Semi-weekly Employment Deposit)
Employment (FUTA)
Employment (8809)
Employment (W-2)
Corporate Income/Franchise (1098-E)
Corporate Income/Franchise (1098-T)
Corporate Income/Franchise (1099-NEC)
Employment (DR 1094)
Employment (UITR-1)
Employment (Electronic Filing)
Employment (DR 1106)
Employment (DR 1093)
Employment (DR 1107)
1 February
2
Employment (Semi-weekly Employment Deposit)
3