Main Topics
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
FAQs
Forms
Publications
Tax Topics
| |
![]() |
| Form CT-1X Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund | ![]() |
| Form 941-X Adjusted Employer's Quarterly Federal Tax Return or Claim for Refund | ![]() |
| 941-X Instructions for Form 941-X, Adjusted Employer's Quarterly Federal Tax Return or Claim for Refund |
| Form 941-X (PR) Adjusted Employer’s Quarterly Federal Tax Return or Claim for Refund (Puerto Rico Version) | ![]() |
| 941-X (PR) Instructions for Form 941-X (PR), Adjusted Employer's Quarterly Federal Tax Return or Claim for Refund (Puerto Rico Version) |
| Form 943-X Adjusted Employer's Annual Federal Tax Return for Agricultural Employees or Claim for Refund | ![]() |
| 943-X Instructions for Form 943-X, Adjusted Employer's Annual Federal Tax Return for Agricultural Employees or Claim for Refund |
| Form 944-X Adjusted Employer's Annual Federal Tax Return or Claim for Refund | ![]() |
| 944-X Instructions for Form 944-X, Adjusted Employer's Annual Federal Tax Return or Claim for Refund |
| Form 945 Annual Return of Withheld Federal Income Tax | ![]() |
| 945 Instructions for Form 945, Annual Return of Withheld Federal Income Tax |
| Form 6118 Claim for Refund of Income Tax Return Preparer Penalties | ![]() |