diff --git a/.yarn/cache/regtech-regex-https-a164486eab-3af6fd0028.zip b/.yarn/cache/regtech-regex-https-a164486eab-3af6fd0028.zip
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diff --git a/.yarn/cache/typescript-npm-5.7.2-b1f84a8b28-b55300c4ce.zip b/.yarn/cache/typescript-npm-5.7.2-b1f84a8b28-b55300c4ce.zip
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diff --git a/.yarn/cache/typescript-patch-03f44d9cea-803430c6da.zip b/.yarn/cache/typescript-patch-03f44d9cea-803430c6da.zip
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diff --git a/.yarn/cache/yaml-npm-2.6.1-eb747069e9-5cf2627f12.zip b/.yarn/cache/yaml-npm-2.6.1-eb747069e9-5cf2627f12.zip
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diff --git a/package.json b/package.json
index bc01e1863..b5b7aa89f 100644
--- a/package.json
+++ b/package.json
@@ -58,6 +58,7 @@
     "react-router-dom": "^6.11.1",
     "react-scroll": "^1.8.9",
     "react-select": "^5.7.4",
+    "regtech-regex": "https://github.com/cfpb/regtech-regex",
     "vite-plugin-svgr": "^3.2.0",
     "zod": "^3.22.0",
     "zustand": "^4.4.1"
diff --git a/src/types/formTypes.ts b/src/types/formTypes.ts
index 2b6592791..c9e8bfb55 100644
--- a/src/types/formTypes.ts
+++ b/src/types/formTypes.ts
@@ -12,6 +12,8 @@ import {
 } from 'utils/constants';
 import { z } from 'zod';
 
+import RegtechRegex from 'regtech-regex';
+
 // Used in react-select format (potentially can be removed)
 const financialInstitutionsSchema = z.object({
   label: z.string(),
@@ -31,7 +33,7 @@ export const domainSchema = z.object({
 export const taxIdSchema = z
   .string()
   .trim()
-  .regex(/^(\d{2}-\d{7})$/, {
+  .regex(new RegExp(RegtechRegex.tin.regex), {
     message: IdZodSchemaErrors.taxIdSchemaRegex,
   });
 
@@ -49,7 +51,7 @@ export const institutionDetailsApiTypeSchema = z.object({
     .min(One, {
       message: IdZodSchemaErrors.financialInstitutionLeiMin,
     })
-    .regex(/([\dA-Z]{20})/, {
+    .regex(new RegExp(RegtechRegex.lei.regex), {
       message: IdZodSchemaErrors.financialInstitutionLeiRegex,
     }),
   name: z.string().trim(),
@@ -58,10 +60,15 @@ export const institutionDetailsApiTypeSchema = z.object({
   tax_id: taxIdSchema,
   rssd_id: z
     .union([
+      z.string().trim().regex(/^$/, {
+        message: IdZodSchemaErrors.rssd_idRegex,
+      }),
       z.number({
         invalid_type_error: IdZodSchemaErrors.rssd_idNumber,
       }),
-      z.string().regex(/^\d+$|^$/, { message: IdZodSchemaErrors.rssd_idRegex }),
+      z.string().regex(new RegExp(RegtechRegex.rssd_id.regex), {
+        message: IdZodSchemaErrors.rssd_idRegex,
+      }),
     ])
     .optional(),
   primary_federal_regulator: z.object({
@@ -98,7 +105,7 @@ export const institutionDetailsApiTypeSchema = z.object({
   parent_lei: z
     .string()
     .trim()
-    .regex(/([\dA-Z]{20})/, {
+    .regex(new RegExp(RegtechRegex.lei.regex), {
       message: IdZodSchemaErrors.financialInstitutionParentLeiRegex,
     })
     .nullable()
@@ -106,18 +113,21 @@ export const institutionDetailsApiTypeSchema = z.object({
   parent_legal_name: z.string().nullable(),
   parent_rssd_id: z
     .union([
+      z.string().trim().regex(/^$/, {
+        message: IdZodSchemaErrors.parent_rssd_idRegex,
+      }),
       z.number({
         invalid_type_error: IdZodSchemaErrors.parent_rssd_idNumber,
       }),
-      z
-        .string()
-        .regex(/^\d+$|^$/, { message: IdZodSchemaErrors.parent_rssd_idRegex }),
+      z.string().regex(new RegExp(RegtechRegex.rssd_id.regex), {
+        message: IdZodSchemaErrors.parent_rssd_idRegex,
+      }),
     ])
     .optional(),
   top_holder_lei: z
     .string()
     .trim()
-    .regex(/([\dA-Z]{20})/, {
+    .regex(new RegExp(RegtechRegex.lei.regex), {
       message: IdZodSchemaErrors.financialInstitutionTopHolderLeiRegex,
     })
     .nullable()
@@ -125,10 +135,13 @@ export const institutionDetailsApiTypeSchema = z.object({
   top_holder_legal_name: z.string().nullable(),
   top_holder_rssd_id: z
     .union([
+      z.string().trim().regex(/^$/, {
+        message: IdZodSchemaErrors.top_holder_rssd_idRegex,
+      }),
       z.number({
         invalid_type_error: IdZodSchemaErrors.top_holder_rssd_idNumber,
       }),
-      z.string().regex(/^\d+$|^$/, {
+      z.string().regex(new RegExp(RegtechRegex.rssd_id.regex), {
         message: IdZodSchemaErrors.top_holder_rssd_idRegex,
       }),
     ])
@@ -325,16 +338,6 @@ const internationalPhoneNumberRegex =
 
 // "Must in '+(999)-999-9999' format",
 
-// eslint-disable-next-line unicorn/no-unsafe-regex
-const usPhoneNumberRegex = /^(\+\d{1,2}\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4}$/;
-
-/* US Phone Number - Matches the following regex patterns */
-// 123-456-7890
-// (123) 456-7890
-// 123 456 7890
-// 123.456.7890
-// +91 (123) 456-7890
-
 // Regular ZIP code regex
 // eslint-disable-next-line unicorn/no-unsafe-regex, @typescript-eslint/no-unused-vars
 const zipCodeRegex = /^\d{5}(?:[\s-]\d{4})?$/;
@@ -375,7 +378,7 @@ export const pointOfContactSchema = z.object({
     .min(One, {
       message: PocZodSchemaErrors.phoneMin,
     })
-    .regex(usPhoneNumberRegex, {
+    .regex(new RegExp(RegtechRegex.simple_us_phone_number.regex), {
       message: PocZodSchemaErrors.phoneRegex,
     }),
   phoneExtension: z
diff --git a/yarn.lock b/yarn.lock
index 839d40b95..c64e3c335 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4653,6 +4653,7 @@ __metadata:
     react-router-dom: ^6.11.1
     react-scroll: ^1.8.9
     react-select: ^5.7.4
+    regtech-regex: "https://github.com/cfpb/regtech-regex"
     start-server-and-test: ^2.0.3
     stylelint: 15.6.1
     stylelint-config-prettier: 9.0.5
@@ -10993,6 +10994,16 @@ display-element-css@cfpb/storybook-addon-display-element-css:
   languageName: node
   linkType: hard
 
+"regtech-regex@https://github.com/cfpb/regtech-regex":
+  version: 1.1.0
+  resolution: "regtech-regex@https://github.com/cfpb/regtech-regex.git#commit=311d50161292d3443a63e25b79c4be2e4a4e77fd"
+  dependencies:
+    typescript: ^5.7.2
+    yaml: ^2.6.1
+  checksum: 3af6fd00288a4392373a0f225df2c9c909401ca221e959970bd5511f0fbdd72665caf4296632f85d1032234366810fda1ef33e4bb57a271792a2bf889c3d5f1c
+  languageName: node
+  linkType: hard
+
 "remark-parse@npm:^11.0.0":
   version: 11.0.0
   resolution: "remark-parse@npm:11.0.0"
@@ -12614,6 +12625,16 @@ display-element-css@cfpb/storybook-addon-display-element-css:
   languageName: node
   linkType: hard
 
+"typescript@npm:^5.7.2":
+  version: 5.7.2
+  resolution: "typescript@npm:5.7.2"
+  bin:
+    tsc: bin/tsc
+    tsserver: bin/tsserver
+  checksum: b55300c4cefee8ee380d14fa9359ccb41ff8b54c719f6bc49b424899d662a5ce62ece390ce769568c7f4d14af844085255e63788740084444eb12ef423b13433
+  languageName: node
+  linkType: hard
+
 "typescript@patch:typescript@5.0.4#~builtin<compat/typescript>":
   version: 5.0.4
   resolution: "typescript@patch:typescript@npm%3A5.0.4#~builtin<compat/typescript>::version=5.0.4&hash=b5f058"
@@ -12624,6 +12645,16 @@ display-element-css@cfpb/storybook-addon-display-element-css:
   languageName: node
   linkType: hard
 
+"typescript@patch:typescript@^5.7.2#~builtin<compat/typescript>":
+  version: 5.7.2
+  resolution: "typescript@patch:typescript@npm%3A5.7.2#~builtin<compat/typescript>::version=5.7.2&hash=14eedb"
+  bin:
+    tsc: bin/tsc
+    tsserver: bin/tsserver
+  checksum: 803430c6da2ba73c25a21880d8d4f08a56d9d2444e6db2ea949ac4abceeece8e4a442b7b9b585db7d8a0b47ebda2060e45fe8ee8b8aca23e27ec1d4844987ee6
+  languageName: node
+  linkType: hard
+
 "ufo@npm:^1.3.0":
   version: 1.3.2
   resolution: "ufo@npm:1.3.2"
@@ -13890,6 +13921,15 @@ display-element-css@cfpb/storybook-addon-display-element-css:
   languageName: node
   linkType: hard
 
+"yaml@npm:^2.6.1":
+  version: 2.6.1
+  resolution: "yaml@npm:2.6.1"
+  bin:
+    yaml: bin.mjs
+  checksum: 5cf2627f121dcf04ccdebce8e6cbac7c9983d465c4eab314f6fbdc13cda8a07f4e8f9c2252a382b30bcabe05ee3c683647293afd52eb37cbcefbdc7b6ebde9ee
+  languageName: node
+  linkType: hard
+
 "yargs-parser@npm:^20.2.3":
   version: 20.2.9
   resolution: "yargs-parser@npm:20.2.9"