If I am applying for concurrent employment on H-1, can I extend my status based on my new employment, or can it only be for the time I am already approved for?

Whom should we contact in the case of an erroneously issued I-94 cards, i.e., incorrect expiration date such as when the expiration date matches the visa expiration and not the I-797 approval notice? How do we reach this person? Which Ports-of-Entry (POE) may correct such a card?

K-1 visa holders are limited to a single entry. May a K-1 visa holder nevertheless take advantage of automatic visa revalidation?

Would an engineer with the job title of sales engineer or engineering manager be approved for TN classification if the job duties will require the application of engineering principles in support and promotion of technical products?

Isn't it true that, in determining whether the offered job comes within a NAFTA covered occupation, CBP Officers must evaluate the job duties as described in the employer’s statement supporting the application for admission and that the job title alone does control the determination?