US Code - Part IV: Inspection, apprehension, examination, exclusion, and removal

Section 1221 Lists of alien and citizen passengers arriving and departing
Section 1222 Detention of aliens for physical and mental examination
Section 1223 Entry through or from foreign territory and adjacent islands
Section 1224 Designation of ports of entry for aliens arriving by aircraft
Section 1225 Inspection by immigration officers; expedited removal of inadmissible arriving aliens; referral for hearing
Section 1225A Preinspection at foreign airports
Section 1226 Apprehension and detention of aliens
Section 1226A Mandatory detention of suspected terrorists; habeas corpus; judicial review
Section 1227 Deportable aliens
Section 1228 Expedited removal of aliens convicted of committing aggravated felonies
Section 1229 Initiation of removal proceedings
Section 1229A Removal proceedings
Section 1229B Cancellation of removal; adjustment of status
Section 1229C Voluntary departure
Section 1230 Records of admission
Section 1231 Detention and removal of aliens ordered removed

Issuance of entry documents

Immigration

Adjustment and change of status