确定realid就够了?还要携带绿卡,i20,i797etc
https://uscode.house.gov/view.xhtml?req=granuleid%3AUSC-prelim-title8-section1304&num=0&edition=prelim
(e) Personal possession of registration or receipt card; penalties
Every alien, eighteen years of age and over, shall at all times carry with him and have in his personal possession any certificate of alien registration or alien registration receipt card issued to him pursuant to subsection (d). Any alien who fails to comply with the provisions of this subsection shall be guilty of a misdemeanor and shall upon conviction for each offense be fined not to exceed $100 or be imprisoned not more than thirty days, or both.
Alien Registration 如下 ,里面不包含州颁发的REAL ID
https://www.ecfr.gov/current/title-8/chapter-I/subchapter-B/part-264/section-264.1
Form No. and Class
I-67, Inspection Record—Hungarian refugees (Act of July 25, 1958).
I-94, Arrival-Departure Record—Aliens admitted as nonimmigrants; aliens paroled into the United States under section 212(d)(5) of the Immigration and Nationality Act; aliens whose claimed entry prior to July 1, 1924, cannot be verified, they having satisfactorily established residence in the United States since prior to July 1, 1924; aliens lawfully admitted to the United States for permanent residence who have not been registered previously; aliens who are granted permission to depart without the institution of deportation proceedings or against whom deportation proceedings are being instituted.
I-95, Crewmen’s Landing Permit—Crewmen arriving by vessel or aircraft.
I-181, Memorandum of Creation of Record of Lawful Permanent Residence—Aliens presumed to be lawfully admitted to the United States under 8 CFR 101.1.
I-485, Application for Status as Permanent Resident—Applicants under sections 245 and 249 of the Immigration and Nationality Act as amended, and section 13 of the Act of September 11, 1957.
I-590, Registration for Classification as Refugee—Escapee—Refugee-escapees paroled pursuant to section 1 of the Act of July 14, 1960.
I-687, Application for Status as a Temporary Resident—Applicants under section 245A of the Immigration and Nationality Act, as amended.
I-691, Notice of Approval for Status as a Temporary Resident—Aliens adjusted to lawful temporary residence under 8 CFR 210.2 and 245A.2.
I-698, Application to Adjust Status from Temporary to Permanent Resident—Applicants under section 245A of the Immigration and Nationality Act, as amended.
I-700, Application for Status as a Temporary Resident—Applicants under section 210 of the Immigration and Nationality Act, as amended.
I-817, Application for Voluntary Departure under the Family Unity Program.
(b) Evidence of registration. The following forms constitute evidence of registration:
Form No. and Class
I-94, Arrival-Departure Record—Aliens admitted as nonimmigrants; aliens paroled into the United States under section 212(d)(5) of the Immigration and Nationality Act; aliens whose claimed entry prior to July 1, 1924, cannot be verified, they having satisfactorily established residence in the United States since prior to July 1, 1924; and aliens granted permission to depart without the institution of deportation proceedings.
I-95, Crewmen’s Landing Permit—Crewmen arriving by vessel or aircraft.
I-184, Alien Crewman Landing Permit and Identification Card—Crewmen arriving by vessel.
I-185, Nonresident Alien Canadian Border Crossing Card—Citizens of Canada or British subjects residing in Canada.
I-186, Nonresident Alien Mexican Border Crossing Card—Citizens of Mexico residing in Mexico.
I-221, Order to Show Cause and Notice of Hearing—Aliens against whom deportation proceedings are being instituted.
I-221S, Order to Show Cause, Notice of Hearing, and Warrant for Arrest of Alien—Aliens against whom deportation proceedings are being instituted.
I-551, Permanent Resident Card—Lawful permanent resident of the United States.
I-766, Employment Authorization Document.
Form I-862, Notice to Appear—Aliens against whom removal proceedings are being instituted.
Form I-863, Notice of Referral to Immigration Judge—Aliens against whom removal proceedings are being instituted.