Correcting a W2

[Young-TP]

when correcting a W2 do I include all the original amounts along with the corrected amount? The corrected amount is an entry that was left out of Box 12

[qbteachmt]

Are you working for an Employer? Only the Employer would submit corrected W2 and W3.

[Young-TP]

No had I was just wondering. If someone gives me a W2 C does only the correction show up, or are the original amounts also included?

[qbteachmt]

Here's an image: https://www.irs.gov/pub/irs-pdf/fw2c.pdf

Here are the instructions: https://www.irs.gov/instructions/iw2w3

Only the employer should be updating/correcting those forms.