Bí-kok Hiàn-huat Tē-14 Siu-tsìng-àn (Fourteenth Amendment; kán-tshing Tē-14 Siu-tsìng-àn (Amendment XIV)) teh 1868 Tshit-gue̍h 9 thong-kuè, sī Tiông-kiàn Siu-tsìng-àn tsi-it. Tē-14 Siu-tsìng-àn hông jīn-uî sī íng-hióng siōng tshim-uán ê siu-tsìng-àn tsi-it, siu-tsìng-àn i pó-tsiong kong-bîn ê kuân-lī í-ki̍p kok-kip tsìng-hú teh huat-lu̍t thâu-tsîng lâng-lâng pîng-tíng. Tē-14 Siu-tsìng-àn tsí-tsāi huê-ìng Bí-kok Luē-tsiàn (American Civil War) liáu-āu hi̍k-tik sik-hòng lôo-lē sóo biān-lîm ê būn-tê, Siu-tsìng-àn pan-pòo ê kuè-tîng bat ín-huat kik-lia̍t ê tsing-gī. Tsiàn-pāi ê Lâm-hong Pang-liân (Confederacy) kok tsiu pit-su phue-tsún tsit-ê Tē-14 Siu-tsìng-àn tsiah ē-tàng tiông-sin hi̍k-tik Kok-huē si̍k-tshù (representation in Congress). Tsit-ê Tē-14 Siu-tsìng-àn, iû-kî sī i-ê tē-1 pōo-hūn, sī Hiàn-huat tang-tiong siōng-ū tsing-gī ê pōo-hūn tsi-it, mā sī Tsuè-ko Huat-īnn tsiânn-tsē lí-tîng-pī phuànn-kuat ê ki-tshóo, tsu-jû Brown sòo Board of Education àn (Brown v. Board of Education (1954); kìm-tsí kong-li̍p ha̍k-hāu tsióng-tso̍k keh-lī), Loving sòo Virginia àn (Loving v. Virginia (1967); tiong-tsí khuà tsióng-tso̍k hun-in kìm-līng), Roe sòo Wade àn (Roe v. Wade (1973); sîng-jīn liân-pang huat-lu̍t hù-û ê "tuī-thai kuân" (right to abortion), it-ti̍t kàu 2022-nî hîng thui-huan uî-tsí), Bush sòo Gore àn (Bush kuat-tīng 2000-nî tsóng-thóng suán-kú kiat-kó), Obergefell sòo Hodges àn (Obergefell v. Hodges (2015); kā hun-in kuân khok-tián tsì tông-sìng phuān-lū), í-ki̍p Students for Fair Admissions sòo Harvard àn (Students for Fair Admissions v. Harvard (2023); kìm-tsí tāi-to-sòo tāi-ha̍k tsiau-sing tang-tiong ê pîng-kuân hîng-tōng).
Tē-14 Siu-tsìng-àn ê tē-1 pōo-hūn的 pau-hâm Kong-bîn Tiâu-khuán (Citizenship Clause), Ti̍k-kuân hi̍k-tsiá Huat-bián-kuân Tiâu-khuán (Privileges or Immunities Clause), Tsìng-tong Tîng-sū Tiâu-khuán (Due Process Clause) kah Pîng-tíng Pó-hōo Tiâu-khuán (Equal Protection Clause). Kong-bîn Tiâu-khuán (Citizenship Clause) tuì kong-bîn-kuân tsìn-hîng kóng-huàn ê tīng-gī, thui-huan Tsuè-ko Huat-īnn teh Dred Scott sòo Sandford àn (Dred Scott v. Sandford (1857)) tang-tiong ê phuànn-kuat. Tsit-ê phuànn-kuat jīn-tīng, Bí-kok ê Hui-tsiu lôo-lē ê āu-ì (descent) bē-tàng tsiânn-tsò Bí-kok kong-bîn. Huat-bián-kuân Tiâu-khuán (Privileges or Immunities Clause) teh ti-tsàu àn (Slaughter-House Cases (1873)) tang-tiong hông kái-sik uī-tio̍h hông-tsí kok tsiu tsóo-gāi liân-pang ê kuân-lī, pí-jû tshian-suá tsū-iû. Tsìng-tong Tîng-sū Tiâu-khuán (Due Process Clause) í Tē-5 Siu-tsìng-àn uî ki-tshóo, kìm-tsíkok-kip tsìng-hú teh bī-king si̍t-tsit hām tîng-sū tsìng-tong (procedural due process) ê tsîng-khóng tsi-hā pak-tuat kong-bîn ê sènn-miā, tsū-iûsing hi̍k-tsiá tsâi-sán. Tshú-guā, Tsìng-tong Tîng-sū Tiâu-khuán (Due Process Clause) tsi-tshî la̍p-ji̍p guân-tsik, tsik-sī Kuân-lī Huat-àn (Bill of Rights) ê pōo-hūn luē-iông sik-iōng teh kok tsiu. Pîng-tíng Pó-hōo Tiâu-khuán (Equal Protection Clause) iau-kiû kok tsiu teh i-ê kuán-hat huān-uî lāi, uī-tio̍h sóo-ū ê kong-bîn (pau-kuat hui kong-bîn) thê-kiong huat-lu̍t siōng ê pîng-tíng pó-hōo.
Tē-2 pōo-hūn tshú-tāi "5-hun tsi-3 (3/5) thò-hia̍p", kin-kì kok tsiu sîng-liân lâm-sìng jîn-kháu pí-lē hun-phuè Tsiòng-gī-īnn (House of Representatives) hām Suán-kú-thuân (Electoral College) ê si̍k-uī. Tsit-ê pōo-hūn ún-tsún kok tsiu í "tsham-ú puān-luān, hi̍k-tsiá kî-thann huān-tsuē" (for participation in rebellion, or other crime) tsò lí-iû lâi pak-tuat kong-bîn ê tâu-phiò kuân, tsū-án-ne jīn-khó tuìtiōng-tsuē-huān pak-tuat suán-kú kuân ê tsò-huat. Tē-3 pōo-hūn kui-tīng, huân "tsham-ú puān-luān hi̍k-tsiá bôo-huán" (have engaged in insurrection or rebellion) ê liân-pang hām tsiu ê hāu-suán-jîn lóng put-tik tsham-suán, m̄-ku teh Trump sòo Anderson àn (Trump v. Anderson (2024)) tang-tiong, Tsuè-ko Huat-īnn tshâi-tīng, tsit-ē tiâu-khuán teh liân-pang suán-kú tang-tiong sik-iōng kui-kuân (left) Kok-huē, teh tsiu suán-kú tang-tiong ê sik-iōng-kuân kui tsiu tsìng-hú. Tē-4 pōo-hūn khak-jīn Kok-huē siū-kuân ê kong-kiōng tsè-bū; m̄-ku kī-tsua̍t hiòng lôo-lē tsú-lâng (slaveholders) tsi-hù kái-hòng lôo-lē ê póo-siông. Tē-5 pōo-hūn hù-ū (provide) kok-huē tsip-huat kuân; m̄-ku Kok-huē kàm-kuán su-jîn hîng-uî ê kuân-lī í-king tsuán-î tsì Siong-gia̍p Tiâu-khuán (Commerce Clause), m̄-koh huán ting-iōng guân-tsik tsik hān-tsè liân-pang tsìng-hú tuì tsiu huat-lu̍t ê tshap-tshiú.