You will most likely receive two T4 slips, one from each employer. You will enter each T4 slip separately.
Please check this TurboTax FAQ: I have two slips of the same type. How do I add them?
Here's how you'd enter two T4 slips in TurboTax:
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Having multiple employers means you have multiple T slips, so here are the steps you need to follow.
When you have slips of the same type, each slip is entered into TurboTax individually.
As an example, here's how you'd enter two T4 slips:
It's common to have multiples of other types, such as T5 slips and RRSP contribution statements. The process for entering these is just like entering multiple T4 slips.
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Please visit the link provided for further clarifications:
TurboTax: I have two slips of the same type. How do I add them?
Please contact our phone support team or contact us directly on Facebook or Twitter if you require further assistance.