I just received a passport with an American visa and a visa package. I want to ask why a corner of the visa bag should be cut off.

According to the description of the "visa package" by the US government (as follows)

After the visa is approved and issued

K- 1/K-2 Overview of visa applicants After you receive the visa (affixed to your passport) and the attached visa package, you should carefully check the information in the letter attached to the visa and visa package. Ensure that the information contained in the above letter is accurate. ?

Please don't open the visa bag. When you fly to the United States, you must take your visa bag and give it to the immigration officer intact at the American port of entry.

Please also note that you must enter the United States within the validity period of your visa. ? To obtain legal permanent resident status (LPR) or a green card (I- 15 1 or I-55 1) that allows you to live and work in the United States, you must enter the United States within the time specified in the visa. ?

2. Judging from this, the "visa package" (the so-called yellow envelope with a corner cut off in the upper left corner) is actually the "American immigrant visa officer envelope". As for the triangular gap in the upper left corner, it is only the standard format of the envelope "American immigrant visa officer envelope", which has been used since the 1990 s. The documents in the yellow envelope include:

I-20 or DS-20 19 table;

Financial proof.

X-ray chest film;

Fair documents;

Original driver's license of China (both original and photocopy);

Original Chinese identity card.

etc

3. Instructions for holders of "package visas" to enter the United States

The holder of the "visa package" must arrive in the United States within the validity of the visa;

You must go through the entry formalities at the airport where you landed, that is, you must be inspected by immigration officials and customs officials at the airport.

The former checks the qualifications of passengers to come to the United States, that is, whether they can enter the country; The latter checks whether the passengers' luggage needs to pay customs duties or whether they are carrying prohibited items.

4. Registration Form

Foreigners holding immigrant visas for the first time do not need to fill in the I-94 card.

All people who enter this country, whether American citizens or foreigners, must fill it out. If it is one, just fill in one.

5. Entry formalities

After the plane arrives at the American airport, passengers will enter the immigration inspection hall under the guidance of airline personnel.

Passengers, whether arriving at their final destination or transferring to other cities in the United States, must go through immigration inspection procedures at the first American port of entry.

-The Immigration Bureau verifies the immigration status and documents of immigrants.

-The Ministry of Agriculture inspects relevant foods, animals and plants.

-Customs checks all articles brought into the United States.

6. Check the driveway (check the driveway)

In the entry inspection hall, residents and non-residents need to arrange different passages, and passengers wait for entry inspection according to their entry status.

Foreigners with immigrant visas enter the country for the first time and use the citizen/resident visa channel to enter the country;

7. Entry stamp

Inbound foreign passengers should put their passports, I-94 entry and exit cards, customs declaration forms and "visa packages" in yellow envelopes on the US visa page in turn, and submit them to immigration officers for inspection and inquiry.

Usually the immigration officer will decide whether to allow you to enter the country within one minute.

If you are allowed to enter the country, immigration officials will stamp the passport page after inspection.

8. immigrant visa holders.

Stamp "US Entry Record" on the applicant's passport;

Temporary proof of immigration status marked "I-55 1";

Processing classification); Their immigrant visas;

Confirm the expiration date of their temporary immigration status in the United States before obtaining a formal green card.