Editing Selective Service System (section)

===Present===
If a draft were authorized by Congress, without any other changes being made in the law, local boards would classify registrants to determine whether they were exempt from military service. According to the [[Code of Federal Regulations]] Title 32, Chapter XVI, Sec. 1630.2,<ref>{{cite web |url = https://www.gpo.gov/fdsys/pkg/CFR-2016-title32-vol6/xml/CFR-2016-title32-vol6-part1630.xml |title = Title 32, Subtitle B, Chapter XVI, Part 1630, Code of Federal Regulations |publisher = Office of the Federal Register (OFR) and the Government Publishing Office. |date = 1 July 2016 |access-date = 27 April 2017 }}</ref> men would be sorted into the following categories:

{| class="wikitable"
|-
! style="width:8%;"|Class
!Present categories<ref name=":0" />
|-
!1-A
|Available for unrestricted military service
|-
!1-A-O
|Conscientious objector available for noncombatant military service only
|-
!1-C
|Member of the Armed Forces of the United States, the National Oceanic and Atmospheric Administration, or the Public Health Service
|-
!1-D-D
|Deferment for certain members of a reserve component or student taking military training
|-
!1-D-E
|Exemption of certain members of a reserve component or student taking military training
|-
!1-H
|Registrant not subject to processing for induction
|-
!1-O
|Conscientious objector to all military service
|-
!1-O-S
|Conscientious objector to all military service (separated)
|-
!1-W
|Conscientious objector ordered to perform alternative service
|-
!2-D
|Registrant deferred because of study preparing for the ministry
|-
!3-A
|Registrant deferred because of hardship to dependents
|-
!3-A-S
|Registrant deferred because of hardship to dependents (separated)
|-
!4-A
|Registrant who has completed military service
|-
!4-B
|Official deferred by law
|-
!4-C
|Alien or dual national
|-
!4-D
|Minister of religion
|-
!4-F
|Registrant not acceptable for military service
|-
!4-G
|Registrant exempted from service because of the death of his parent or sibling while serving in the Armed Forces or whose parent or sibling is in a captured or missing in action status
|-
!4-T
|[[#Alien or dual-national registrant status|Treaty alien]]
|-
!4-W
|Registrant who has completed alternative service in lieu of induction
|-
!4-A-A
|Registrant who has performed military service for a foreign nation
|}