diff --git a/packages/exchange-backoffice-ui/src/handlers/InputSelectMultiple.tsx b/packages/exchange-backoffice-ui/src/handlers/InputSelectMultiple.tsx
index 8369e509d..837744827 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputSelectMultiple.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputSelectMultiple.tsx
@@ -6,7 +6,7 @@ import { useState } from "preact/hooks";
 
 export function InputSelectMultiple<T extends object, K extends keyof T>(
   props: {
-    choices: Choice[];
+    choices: Choice<T[K]>[];
     unique?: boolean;
     max?: number;
   } & UIFormProps<T, K>,
@@ -18,7 +18,7 @@ export function InputSelectMultiple<T extends object, K extends keyof T>(
   const [filter, setFilter] = useState<string | undefined>(undefined);
   const regex = new RegExp(`.*${filter}.*`, "i");
   const choiceMap = choices.reduce((prev, curr) => {
-    return { ...prev, [curr.value]: curr.label };
+    return { ...prev, [curr.value as string]: curr.label };
   }, {} as Record<string, string>);
 
   const list = (value ?? []) as string[];
@@ -111,14 +111,14 @@ export function InputSelectMultiple<T extends object, K extends keyof T>(
                   role="option"
                   onClick={() => {
                     setFilter(undefined);
-                    if (unique && list.indexOf(v.value) !== -1) {
+                    if (unique && list.indexOf(v.value as string) !== -1) {
                       return;
                     }
                     if (max !== undefined && list.length >= max) {
                       return;
                     }
                     const newValue = [...list];
-                    newValue.splice(0, 0, v.value);
+                    newValue.splice(0, 0, v.value as string);
                     onChange(newValue as T[K]);
                   }}
 
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputSelectOne.tsx b/packages/exchange-backoffice-ui/src/handlers/InputSelectOne.tsx
index 9af446e6c..b0e2277d3 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputSelectOne.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputSelectOne.tsx
@@ -6,7 +6,7 @@ import { useState } from "preact/hooks";
 
 export function InputSelectOne<T extends object, K extends keyof T>(
   props: {
-    choices: Choice[];
+    choices: Choice<T[K]>[];
   } & UIFormProps<T, K>,
 ): VNode {
   const { name, label, choices, placeholder, tooltip, required } = props;
@@ -15,7 +15,7 @@ export function InputSelectOne<T extends object, K extends keyof T>(
   const [filter, setFilter] = useState<string | undefined>(undefined);
   const regex = new RegExp(`.*${filter}.*`, "i");
   const choiceMap = choices.reduce((prev, curr) => {
-    return { ...prev, [curr.value]: curr.label };
+    return { ...prev, [curr.value as string]: curr.label };
   }, {} as Record<string, string>);
 
   const filteredChoices =
diff --git a/packages/exchange-backoffice-ui/src/pages/AccountDetails.tsx b/packages/exchange-backoffice-ui/src/pages/AccountDetails.tsx
index 8b9b01ae6..b252d2ab0 100644
--- a/packages/exchange-backoffice-ui/src/pages/AccountDetails.tsx
+++ b/packages/exchange-backoffice-ui/src/pages/AccountDetails.tsx
@@ -126,24 +126,14 @@ function getEventsFromAmlHistory(
     prev.push({
       type: "kyc-collection",
       title: "collection" as TranslatedString,
-      when: {
-        t_ms:
-          k.collection_time.t_s === "never"
-            ? "never"
-            : k.collection_time.t_s * 1000,
-      },
+      when: AbsoluteTime.fromProtocolTimestamp(k.collection_time),
       values: !k.attributes ? {} : k.attributes,
       provider: k.provider_section,
     });
     prev.push({
       type: "kyc-expiration",
       title: "expired" as TranslatedString,
-      when: {
-        t_ms:
-          k.expiration_time.t_s === "never"
-            ? "never"
-            : k.expiration_time.t_s * 1000,
-      },
+      when: AbsoluteTime.fromProtocolTimestamp(k.expiration_time),
       fields: !k.attributes ? [] : Object.keys(k.attributes),
     });
     return prev;
diff --git a/packages/exchange-backoffice-ui/src/pages/NewFormEntry.tsx b/packages/exchange-backoffice-ui/src/pages/NewFormEntry.tsx
index 9c143addd..fdb255701 100644
--- a/packages/exchange-backoffice-ui/src/pages/NewFormEntry.tsx
+++ b/packages/exchange-backoffice-ui/src/pages/NewFormEntry.tsx
@@ -3,7 +3,7 @@ import { allForms } from "./AntiMoneyLaunderingForm.js";
 import { Pages } from "../pages.js";
 import { NiceForm } from "../NiceForm.js";
 import { AmlState } from "../types.js";
-import { Amounts } from "@gnu-taler/taler-util";
+import { AbsoluteTime, Amounts } from "@gnu-taler/taler-util";
 
 export function NewFormEntry({
   account,
@@ -26,9 +26,7 @@ export function NewFormEntry({
   const showingFrom = allForms[selectedForm].impl;
   const initial = {
     fullName: "loggedIn_user_fullname",
-    when: {
-      t_ms: new Date().getTime(),
-    },
+    when: AbsoluteTime.now(),
     state: AmlState.pending,
     threshold: Amounts.parseOrThrow("USD:10"),
   };
diff --git a/packages/exchange-backoffice-ui/src/pages/Officer.tsx b/packages/exchange-backoffice-ui/src/pages/Officer.tsx
index 79dd8bace..39e368b37 100644
--- a/packages/exchange-backoffice-ui/src/pages/Officer.tsx
+++ b/packages/exchange-backoffice-ui/src/pages/Officer.tsx
@@ -1,4 +1,4 @@
-import { TranslatedString } from "@gnu-taler/taler-util";
+import { AbsoluteTime, TranslatedString } from "@gnu-taler/taler-util";
 import {
   notifyError,
   notifyInfo,
@@ -47,7 +47,7 @@ export function Officer() {
       <CreateAccount
         onNewAccount={(salt, key, pwd) => {
           password.update(pwd);
-          officer.update({ salt, when: { t_ms: Date.now() }, key });
+          officer.update({ salt, when: AbsoluteTime.now(), key });
         }}
       />
     );