diff --git a/.mocharc.json b/.mocharc.json
index 2f3a478..0323d17 100644
--- a/.mocharc.json
+++ b/.mocharc.json
@@ -5,6 +5,6 @@
   "ui": "mocha-cakes-2",
   "exit": true,
   "require": [
-    "./test/helpers/setup.js"
+    "./test/setup.js"
   ]
 }
diff --git a/config/test.json b/config/test.json
index a9517d8..f9246ea 100644
--- a/config/test.json
+++ b/config/test.json
@@ -35,5 +35,8 @@
   ],
   "logging": {
     "pretty": true
+  },
+  "toggle": {
+    "pafInCommonNamespaces": true
   }
 }
diff --git a/index.js b/index.js
index 6d7e75a..c032f05 100644
--- a/index.js
+++ b/index.js
@@ -1,19 +1,16 @@
 "use strict";
 
-const namespaces = require("./lib/namespaces");
-const titles = require("./lib/titles");
-const schemas = require("./lib/validation-helpers/schemas");
-const countryCodes = require("./lib/validation-helpers/country-codes");
-const formattingHelpers = require("./lib/validation-helpers/formatting-helpers");
-
-const stripSchemaTag = require("./lib/validation-helpers/strip-joi-schema-tags");
-
+// helpers
 const caseBodyHelper = require("./lib/helpers/case-body-helper");
 const codeHelper = require("./lib/helpers/code-helper");
+const toggle = require("./lib/helpers/toggle");
+
+// utils
 const email = require("./lib/utils/email");
 const ftp = require("./lib/utils/ftp");
 const gcpAuth = require("./lib/utils/gcp-auth");
 const gcs = require("./lib/utils/gcs");
+const http = require("./lib/utils/http");
 const iterators = require("./lib/utils/iterators");
 const PDF = require("./lib/utils/pdf");
 const pdfGenerator = require("./lib/utils/pdfGenerator");
@@ -21,8 +18,20 @@ const s3 = require("./lib/utils/s3");
 const ses = require("./lib/utils/ses");
 const sftp = require("./lib/utils/sftp");
 const streams = require("./lib/utils/streams");
-const http = require("./lib/utils/http");
+const swedishBankday = require("./lib/utils/swedish-bankday");
 
+// validation helpers
+const countryCodes = require("./lib/validation-helpers/country-codes");
+const formattingHelpers = require("./lib/validation-helpers/formatting-helpers");
+const schemas = require("./lib/validation-helpers/schemas");
+const stripSchemaTag = require("./lib/validation-helpers/strip-schema-tag");
+
+// other
+const namespaces = require("./lib/namespaces");
+const titles = require("./lib/titles");
+
+// test helpers
+const clone = require("./test/helpers/clone");
 const fakeApi = require("./test/helpers/fake-api");
 const fakeFtp = require("./test/helpers/fake-ftp");
 const fakeGcpAuth = require("./test/helpers/fake-gcp-auth");
@@ -33,38 +42,44 @@ const fakeSftp = require("./test/helpers/fake-sftp");
 const fileUtils = require("./test/helpers/file-utils");
 const messageHelper = require("./test/helpers/message-helper");
 const pdfReader = require("./test/helpers/pdfReader");
-const clone = require("./test/helpers/clone");
 
 module.exports = {
+  // helpers
   caseBodyHelper,
   codeHelper,
-  countryCodes,
+  toggle,
+  // utils
   email,
-  fakeApi,
-  fakeFtp,
-  fakeGcpAuth,
-  fakeGcs,
-  fakeS3,
-  fakeSes,
-  fakeSftp,
-  fileUtils,
-  formattingHelpers,
   ftp,
   gcpAuth,
   gcs,
   http,
   iterators,
-  messageHelper,
-  namespaces,
-  titles,
   PDF,
   pdfGenerator,
-  pdfReader,
-  schemas,
   s3,
   ses,
   sftp,
   streams,
+  swedishBankday,
+  // validation helpers
+  countryCodes,
+  formattingHelpers,
+  schemas,
   stripSchemaTag,
+  // other
+  namespaces,
+  titles,
+  // test helpers
   clone,
+  fakeApi,
+  fakeFtp,
+  fakeGcpAuth,
+  fakeGcs,
+  fakeS3,
+  fakeSes,
+  fakeSftp,
+  fileUtils,
+  messageHelper,
+  pdfReader,
 };
diff --git a/lib/helpers/toggle.js b/lib/helpers/toggle.js
index d1babaf..d8b7026 100644
--- a/lib/helpers/toggle.js
+++ b/lib/helpers/toggle.js
@@ -1,13 +1,7 @@
 "use strict";
-const config = require("exp-config");
+const { toggle: configToggles = {} } = require("exp-config");
 
-const knownToggles = [
-  "pafInCommonNamespaces",
-];
-
-knownToggles.sort();
-
-config.toggle = config.toggle || {};
+const knownToggles = Object.keys(configToggles).sort();
 
 /* c8 ignore start */
 function toggle(name) {
@@ -18,7 +12,7 @@ function toggle(name) {
     if (process.env["NODE-DISABLE-TOGGLE"] === name) return false;
     return true;
   }
-  const value = config.toggle[name];
+  const value = configToggles[name];
   return value === true || value === "true";
 }
 /* c8 ignore stop */
diff --git a/lib/utils/swedish-bankday.js b/lib/utils/swedish-bankday.js
new file mode 100644
index 0000000..f5bccb7
--- /dev/null
+++ b/lib/utils/swedish-bankday.js
@@ -0,0 +1,43 @@
+"use strict";
+const moment = require("moment");
+const { isHoliday } = require("swedish-holidays");
+const bankHolidays = [
+  "Nyårsdagen",
+  "Trettondedag jul",
+  "Långfredagen",
+  "Påskafton",
+  "Påskdagen",
+  "Annandag påsk",
+  "Första maj",
+  "Kristi himmelsfärdsdag",
+  "Pingstafton",
+  "Pingstdagen",
+  "Sveriges nationaldag",
+  "Midsommarafton",
+  "Midsommardagen",
+  "Alla helgons dag",
+  "Julafton",
+  "Juldagen",
+  "Annandag jul",
+  "Nyårsafton",
+];
+function isBankDay(d) {
+  const md = moment(d);
+  // weekends are never bankdays
+  if ([ 0, 6 ].includes(md.weekday())) return false;
+  const holiday = isHoliday(md.toDate());
+  // not a holiday
+  if (!holiday) return true;
+
+  return !bankHolidays.includes(holiday.name);
+}
+
+function nextBankDay(d) {
+  let md = moment(d);
+  do {
+    md = md.add(1, "day");
+  } while (!isBankDay(md));
+  return md.format("YYYY-MM-DD");
+}
+
+module.exports = { isBankDay, nextBankDay };
diff --git a/lib/validation-helpers/strip-joi-schema-tags.js b/lib/validation-helpers/strip-schema-tag.js
similarity index 100%
rename from lib/validation-helpers/strip-joi-schema-tags.js
rename to lib/validation-helpers/strip-schema-tag.js
diff --git a/package-lock.json b/package-lock.json
index ba80d42..3c3c158 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "lu-common",
-  "version": "3.8.6",
+  "version": "3.9.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "lu-common",
-      "version": "3.8.6",
+      "version": "3.9.1",
       "license": "UNLICENSED",
       "dependencies": {
         "@google-cloud/storage": "^5.18.3",
@@ -25,6 +25,7 @@
         "pdfkit": "^0.13.0",
         "sinon": "^15.0.0",
         "ssh2-sftp-client": "^7.2.3",
+        "swedish-holidays": "^1.1.2",
         "urlencode": "^1.1.0"
       },
       "devDependencies": {
@@ -2995,9 +2996,9 @@
       }
     },
     "node_modules/get-func-name": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.0.tgz",
-      "integrity": "sha512-Hm0ixYtaSZ/V7C8FJrtZIuBBI+iSgL+1Aq82zSu8VQNB4S3Gk8e7Qs3VwBDJAhmRZcFqkl3tQu36g/Foh5I5ig==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
+      "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
       "dev": true,
       "engines": {
         "node": "*"
@@ -5813,6 +5814,11 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/swedish-holidays": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/swedish-holidays/-/swedish-holidays-1.1.2.tgz",
+      "integrity": "sha512-KFcwkKsFnCmuFIZF1MnEhEFWj38hYfmUxJgeqDSNcmP+RoSPFoC0eV3V4fiHWvhtKMBiIICXaO4m5T0/mnq7aQ=="
+    },
     "node_modules/tdigest": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/tdigest/-/tdigest-0.1.2.tgz",
diff --git a/package.json b/package.json
index 5d89025..5090632 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lu-common",
-  "version": "3.9.0",
+  "version": "3.9.1",
   "description": "",
   "main": "index.js",
   "engines": {
@@ -35,6 +35,7 @@
     "pdfkit": "^0.13.0",
     "sinon": "^15.0.0",
     "ssh2-sftp-client": "^7.2.3",
+    "swedish-holidays": "^1.1.2",
     "urlencode": "^1.1.0"
   },
   "devDependencies": {
diff --git a/test-data/unit/validation-helpers/schemas-test-data.js b/test-data/unit/validation-helpers/schemas-test-data.js
index 6e6de7b..19ba0a0 100644
--- a/test-data/unit/validation-helpers/schemas-test-data.js
+++ b/test-data/unit/validation-helpers/schemas-test-data.js
@@ -1,6 +1,6 @@
 "use strict";
 
-const stripSchemaTag = require("../../../lib/validation-helpers/strip-joi-schema-tags");
+const stripSchemaTag = require("../../../lib/validation-helpers/strip-schema-tag");
 
 const { addressSchema } = require("../../../lib/validation-helpers/schemas");
 
diff --git a/test/feature/index-test.js b/test/feature/index-test.js
index a4d5172..1de6245 100644
--- a/test/feature/index-test.js
+++ b/test/feature/index-test.js
@@ -1,14 +1,21 @@
 "use strict";
 
 const common = require("../../index");
-const expect = require("chai").expect;
+const fs = require("fs");
+const path = require("path");
+
+const paths = [ "lib", "test/helpers" ];
+const allExports = [];
+for (const basePath of paths) {
+  allExports.push(...getPathExports(basePath));
+}
 
 const expectedExports = [
+  // helpers
   "caseBodyHelper",
   "codeHelper",
-  "namespaces",
-  "titles",
-  "schemas",
+  "toggle",
+  // utils
   "email",
   "ftp",
   "gcpAuth",
@@ -21,6 +28,17 @@ const expectedExports = [
   "ses",
   "sftp",
   "streams",
+  "swedishBankday",
+  // validation helpers
+  "countryCodes",
+  "formattingHelpers",
+  "schemas",
+  "stripSchemaTag",
+  // other
+  "namespaces",
+  "titles",
+  // test helpers
+  "clone",
   "fakeApi",
   "fakeFtp",
   "fakeGcpAuth",
@@ -31,25 +49,56 @@ const expectedExports = [
   "fileUtils",
   "messageHelper",
   "pdfReader",
-  "stripSchemaTag",
-  "countryCodes",
-  "formattingHelpers",
-  "clone",
 ];
 
 describe("Exposed features", () => {
-  const exports = [];
-
+  const exposedExports = [];
   for (const c in common) {
-    exports.push(c.toString());
+    exposedExports.push(c.toString());
   }
 
-  describe("Importing default export", () => {
-    it("The right stuff gets imported", () => {
-      const list = exports.filter((val) => !expectedExports.includes(val));
-      const list2 = expectedExports.filter((val) => !exports.includes(val));
-      expect(list.length).to.equal(0);
-      expect(list2.length).to.equal(0);
-    });
+  describe("everything we expect to export is exposed", () => {
+    for (const expectedExport of expectedExports) {
+      it(`${expectedExport} should be exposed`, () => {
+        exposedExports.should.include(expectedExport);
+      });
+    }
+  });
+
+  describe("everything we expose is expected", () => {
+    for (const exposedExport of exposedExports) {
+      it(`${exposedExport} is supposed to be exposed`, () => {
+        expectedExports.should.include(exposedExport);
+      });
+    }
+  });
+
+  describe("everything exported by modules is exposed in lu-common", () => {
+    for (const expectedExport of allExports) {
+      it(`should export ${expectedExport}`, () => {
+        exposedExports.should.include(expectedExport);
+      });
+    }
   });
 });
+
+function toCamelCase(fileName) {
+  return fileName.replace(/-([a-z])/g, (g) => g[1].toUpperCase());
+}
+
+function getPathExports(basePath) {
+  const exports = [];
+  const normalizedPath = path.join(__dirname, "..", "..", basePath);
+  fs.readdirSync(normalizedPath).forEach((file) => {
+    const filePath = path.join(normalizedPath, file);
+    const stats = fs.statSync(filePath);
+
+    // get all exports from subdirectories too
+    if (stats.isDirectory()) exports.push(...getPathExports(path.join(basePath, file)));
+    else {
+      const importName = file === "pdf.js" ? "PDF" : toCamelCase(file.replace(".js", ""));
+      exports.push(importName);
+    }
+  });
+  return exports;
+}
diff --git a/test/helpers/setup.js b/test/setup.js
similarity index 100%
rename from test/helpers/setup.js
rename to test/setup.js
diff --git a/test/unit/swedish-bankday-test.js b/test/unit/swedish-bankday-test.js
new file mode 100644
index 0000000..cd2725e
--- /dev/null
+++ b/test/unit/swedish-bankday-test.js
@@ -0,0 +1,28 @@
+"use strict";
+
+const expect = require("chai").expect;
+
+const swedishBankday = require("../../lib/utils/swedish-bankday");
+
+describe("isBankDay", () => {
+  it("should handle weekdays", () => {
+    expect(swedishBankday.isBankDay("2020-06-17")).to.eql(true);
+    expect(swedishBankday.isBankDay("2020-06-21")).to.eql(false);
+  });
+
+  it("should handle non-weekend holidays", () => {
+    expect(swedishBankday.isBankDay("2020-06-19")).to.eql(false); // Midsummer's Day
+    expect(swedishBankday.isBankDay("2020-04-10")).to.eql(false); // Good Friday
+  });
+});
+
+describe("nextBankDay", () => {
+  it("should handle weekdays", () => {
+    expect(swedishBankday.nextBankDay("2020-06-17")).to.eql("2020-06-18");
+  });
+
+  it("should handle non-weekend holidays", () => {
+    expect(swedishBankday.nextBankDay("2020-06-18")).to.eql("2020-06-22"); // Midsummer's Day
+    expect(swedishBankday.nextBankDay("2020-04-09")).to.eql("2020-04-14"); // Good Friday
+  });
+});
diff --git a/test/unit/validation-helpers/strip-joi-schema-tags-test.js b/test/unit/validation-helpers/strip-schema-tag-test.js
similarity index 98%
rename from test/unit/validation-helpers/strip-joi-schema-tags-test.js
rename to test/unit/validation-helpers/strip-schema-tag-test.js
index 613ceae..c0fdbeb 100644
--- a/test/unit/validation-helpers/strip-joi-schema-tags-test.js
+++ b/test/unit/validation-helpers/strip-schema-tag-test.js
@@ -2,7 +2,7 @@
 
 const expect = require("chai").expect;
 const joi = require("joi");
-const stripper = require("../../../lib/validation-helpers/strip-joi-schema-tags");
+const stripper = require("../../../lib/validation-helpers/strip-schema-tag");
 
 describe("strip joi fields without tags", () => {
   describe("nested", () => {