IMPORTANT: Canada Post Service Interruption Notice and FAQ


Although negotiations between Canada Post and the Canadian Union of Postal Workers (CUPW) are ongoing, the possibility of a Canada Post service interruption is still a possibility.

In the event of an interruption, InterFulfillment will use Purolator and UPS to continue to fulfill your orders. We have put together an FAQ below to help answer any questions you may have. We will do our absolute best to work through this possible interruption as seamlessly and cost-effectively as possible. We intend to go above and beyond to make sure that your orders get to your customers as fast as you are accustomed to.

Which carrier(s) can you use in the event of a Canada Post service interruption?
Purolator is the 2nd most cost-effective carrier followed by UPS and lastly FedEx.

What happens when the other carriers reach capacity and begin experiencing shipping delays?
Should Purolator reach maximum capacity InterFulfillment will redirect all orders to UPS by default unless otherwise instructed by the merchant. Please keep in mind, that a Canada Post service interruption will affect the other couriers as well. We recommend setting your customer expectations by adding another 5 business days to your estimated delivery time at the website check out page. If you wish, please visit, where you can sign up for email updates.

What if a shipment of a package is time sensitive?
If any order you submit is time sensitive, please open a support ticket and request our team ship via FedEx. FedEx is a reliable carrier and should be the least affected by a Canada Post service interruption. However, FedEx is the most costly to ship with.

How will I know a strike has occurred?
If an interruption is confirmed, will send out a mass email notification informing merchants the strike has begun.

How can you stay up to date on Canada Post service interruption news?
To stay up to date on negotiations, please visit There is a news feed which allows you to sign up for email updates as well.

Are my Canadian customers aware of the potential strike?
Canadian consumers are aware of the potential Canada Post strike as it is extensively covered by the Canadian media.

How long will the strike last?
These types of strikes typically last from 1 to 5 business days, however, can be longer depending on negotiations.

Is there anything else that you should keep in mind?
A Canada Post service interruption can have a dramatic effect on the volume of order all other carriers receive. They may not be able to handle the increase which may result in shipping delays or even rate adjustments with little or no notice. We will do our best to keep you in informed of any announcements of this nature, however, like the service interruption itself, we have no control over carrier policy adjustments due to volume capacity issues.

Should you have any further questions regarding this matter, feel free to open a Support Ticket and we will get back to you as soon as possible.

Thank you for your understanding.