1042-S Software: Due dates and extension
Copy B of Form 1042-S must be printed and mailed by March 15th unless the the due date fails on a Saturday, Sunday or legal holiday.
The withholding agent must paper or electronically file Copy A of Form 1042-S by March 15th as well. A withholding agent can file for a 1-month extension to electronically file Form 1042-S to the IRS giving them until mid-April to efile. Just contact our sales office at (480) 460-9311 and we can process this extension request. You will receive a PDF confirming the time extension.
A withholding agent can not request any extension of time for furnishing Copy B to the foreign recipients.
by 
Erich J. Ruth
Erich J. Ruth provides technical support for National Software which is the parent company for 1099FIRE. 1099FIRE develops and markets a comprehensive range of products that enables any size of business or institution to effectively manage and comply with year-end filing requirements. 1099FIRE is an employee-owned company located in Phoenix, Arizona.
If you have any questions or comments about our software, feel free to contact us at any time.