The E-1 [Treaty Trader] visa is issued to persons entering the U.S. solely to carry on substantial trade principally between U.S. and the Foreign State of which s/he is a national. There is no bar on extending your status or transfer to another employer. However, the USCIS will have to authorize the transfer and employment [...]

In this case, the Consulate would be concerned with two things: (1) the nonimmigrant intent of your parents when applying for a visa to visit the U.S. (ii) your ability to support them while they are here. It is important to address both when applying for a visitor's visa. It would certainly help to have [...]

Consulates usually follow a certain procedure when visas are refused. However, Consular Officers should not refuse visa applicants on substantive grounds without first giving the applicant an opportunity to be interviewed in person When refusing a visa application, consular officers should inform the applicant of the section of the law under which the visa was [...]

There should be no problem with the change of status per se. But, where a person obtains a B-2 and/or enters on a B-2 claiming to be a tourist, and within 30 days of visa issuance or entry actively begins seeking employment or admission in a school, s/he may be presumed to have misrepresented his [...]

In this situation, the applicant left the U.S. prior to the original expiration of the I-94 and so, the request for extension is moot. However, there is no way of withdrawing an application once it is filed. You could, however, notify the USCIS of the departure and attach a copy of the stamp on the [...]

If your Father no longer has a valid visa to reenter the U.S., he must first obtain a valid visa to return. However, there is no requirement that he obtain a new Visa just because he sought an extension in the U.S. notwithstanding the outcome of that extension.

The following link provides the details of Visitor's visa. http://travel.state.gov/content/visas/en/visit/visitor.html

As long as your parents have a genuine need to visit and remain visitors, there is no limit on the number of trips they are allowed to make. However, care must be taken to document that frequent visits are not a way of remaining in the U.S. permanently.

Your daughter is not technically a dependent and may not benefit from your Green Card. Be this as it may, she may be able to travel to the U.S. in a nonimmigrant classification as a dependent if it can be shown that she is dependent on you entirely for care and support. The application process [...]

The Service requires you to file a Form AR-11. This form is available on the Service website at www.uscis.gov