diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractOrderPosition.java b/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractOrderPosition.java
index deaea93f..0602cb5b 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractOrderPosition.java
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractOrderPosition.java
@@ -101,6 +101,15 @@ public BigDecimal getPrice() {
         }
     }
 
+    public String getTaxCode() {
+        try {
+            return getJSON().optString("tax_code", null);
+        } catch (JSONException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
     public BigDecimal getTaxRate() {
         try {
             return new BigDecimal(getJSON().getString("tax_rate"));
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractReceiptLine.java b/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractReceiptLine.java
index 4ac33ed4..84b2c412 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractReceiptLine.java
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractReceiptLine.java
@@ -63,6 +63,8 @@ public class AbstractReceiptLine implements LocalObject {
 
     public Long tax_rule;
 
+    public String tax_code;
+
     public BigDecimal tax_value;
 
     @Nullable
@@ -196,6 +198,7 @@ public JSONObject toJSON() throws JSONException {
         jo.put("tax_rate", tax_rate != null ? tax_rate.setScale(2, RoundingMode.HALF_UP) : "0.00");
         jo.put("tax_value", tax_value != null ? tax_value.setScale(2, RoundingMode.HALF_UP) : "0.00");
         jo.put("tax_rule", tax_rule != null ? tax_rule : JSONObject.NULL);
+        jo.put("tax_code", tax_code != null ? tax_code : JSONObject.NULL);
         jo.put("secret", secret);
         jo.put("seat", seat_guid != null ? seat_guid : JSONObject.NULL);
         jo.put("subevent", subevent_id);
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractTaxRule.java b/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractTaxRule.java
index 0d7209e9..67e64960 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractTaxRule.java
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/AbstractTaxRule.java
@@ -34,6 +34,18 @@ public boolean includesTax() {
         }
     }
 
+    public String getCode() {
+        try {
+            if (!getJSON().has("code") || getJSON().isNull("code")) {
+                return null;
+            }
+            return getJSON().getString("code");
+        } catch (JSONException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
     public BigDecimal getRate() {
         try {
             return new BigDecimal(getJSON().getString("rate"));
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/Migrations.java b/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/Migrations.java
index 94343ddd..f659d786 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/Migrations.java
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/db/Migrations.java
@@ -15,7 +15,7 @@
 
 public class Migrations {
     private static EntityModel model = Models.DEFAULT;
-    public static int CURRENT_VERSION = 105;
+    public static int CURRENT_VERSION = 106;
 
     private static void createVersionTable(Connection c, int version) throws SQLException {
         Statement s2 = c.createStatement();
@@ -430,6 +430,10 @@ public static void migrate(DataSource dataSource, boolean dbIsNew) throws SQLExc
             execIgnore(c, "ALTER TABLE settings DROP COLUMN covid_certificates_allow_vaccinated_products;", new String[] {"no such column", "existiert", "syntax error"});
             updateVersionTable(c, 105);
         }
+        if (db_version < 106) {
+            execIgnore(c, "ALTER TABLE receiptline ADD tax_code TEXT NULL;", new String[] {"duplicate column name", "already exists", "existiert bereits"});
+            updateVersionTable(c, 106);
+        }
 
         // Note that the Android app currently does not use these queries!
 
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/OrderPosition.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/OrderPosition.kt
index 07a2d18e..42014146 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/OrderPosition.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/OrderPosition.kt
@@ -24,6 +24,7 @@ class OrderPosition(
     val price: BigDecimal? = null,
     val taxRate: BigDecimal? = null,
     val taxValue: BigDecimal? = null,
+    val taxCode: String? = null,
     val seatName: String? = null,
     val addonToServerId: Long? = null,
     val blocked: Boolean = false,
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/ReceiptLine.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/ReceiptLine.kt
index fb1cca81..da081046 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/ReceiptLine.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/ReceiptLine.kt
@@ -28,6 +28,7 @@ data class ReceiptLine(
     val taxRate: BigDecimal? = null,
     val taxRule: Long? = null,
     val taxValue: BigDecimal? = null,
+    val taxCode: String? = null,
     val eventDateFrom: OffsetDateTime? = null,
     val eventDateTo: OffsetDateTime? = null,
     val subEventServerId: Long? = null,
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/TaxRule.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/TaxRule.kt
index 78609544..c0acd545 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/TaxRule.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/TaxRule.kt
@@ -7,4 +7,5 @@ data class TaxRule(
     val serverId: Long,
     val rate: BigDecimal = BigDecimal("0.00"),
     val includesTax: Boolean = false,
+    val code: String? = null,
 )
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/OrderPositionExtensions.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/OrderPositionExtensions.kt
index f226cdfb..40896434 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/OrderPositionExtensions.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/OrderPositionExtensions.kt
@@ -29,6 +29,7 @@ fun OrderPosition.toModel(): OrderPositionModel {
         zipcode = json.optString("zipcode", null),
         price = parsePrice(json),
         taxRate = parseTaxRate(json),
+        taxCode = parseTaxCode(json),
         taxValue = parseTaxValue(json),
         seatName = parseSeatName(json),
         addonToServerId = parseAddonToServerId(json),
@@ -50,6 +51,15 @@ private fun parsePrice(json: JSONObject): BigDecimal? {
     }
 }
 
+private fun parseTaxCode(json: JSONObject): String? {
+    try {
+        return json.optString("tax_code", null)
+    } catch (e: JSONException) {
+        e.printStackTrace()
+        return null
+    }
+}
+
 private fun parseTaxRate(json: JSONObject): BigDecimal? {
     try {
         return BigDecimal(json.getString("tax_rate"))
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/ReceiptLineExtensions.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/ReceiptLineExtensions.kt
index 51bb43e0..0b729605 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/ReceiptLineExtensions.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/ReceiptLineExtensions.kt
@@ -25,6 +25,7 @@ fun ReceiptLine.toModel() =
         voucherCode = voucher_code,
         useReusableMedium = use_reusable_medium,
         taxRate = tax_rate,
+        taxCode = tax_code,
         taxRule = tax_rule,
         taxValue = tax_value,
         eventDateFrom = SafeOffsetDateTimeMapper.decode(event_date_from),
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/TaxRuleExtensions.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/TaxRuleExtensions.kt
index 80e766f9..a8b27e43 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/TaxRuleExtensions.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/TaxRuleExtensions.kt
@@ -14,6 +14,7 @@ fun TaxRule.toModel(): TaxRuleModel {
         serverId = this.server_id!!,
         rate = parseRate(json),
         includesTax = parseIncludesTax(json),
+        code = parseCode(json),
     )
 }
 
@@ -34,3 +35,15 @@ private fun parseIncludesTax(json: JSONObject): Boolean {
         return false
     }
 }
+
+private fun parseCode(json: JSONObject): String? {
+    try {
+        if (!json.has("code") or json.isNull("code")) {
+            return null
+        }
+        return json.getString("code")
+    } catch (e: JSONException) {
+        e.printStackTrace()
+        return null
+    }
+}
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/sqldelight/ReceiptLineExtensions.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/sqldelight/ReceiptLineExtensions.kt
index 53cf0170..c1cfd669 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/sqldelight/ReceiptLineExtensions.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/sqldelight/ReceiptLineExtensions.kt
@@ -20,6 +20,7 @@ fun ReceiptLine.toJSON(): JSONObject {
     jo.put("tax_rate", tax_rate?.setScale(2, RoundingMode.HALF_UP))
     jo.put("tax_value", tax_value?.setScale(2, RoundingMode.HALF_UP) ?: "0.00")
     jo.put("tax_rule", tax_rule ?: JSONObject.NULL)
+    jo.put("tax_code", tax_code ?: JSONObject.NULL)
     jo.put("secret", secret)
     jo.put("seat", seat_guid ?: JSONObject.NULL)
     jo.put("subevent", subevent_id)
diff --git a/libpretixsync/src/main/sqldelight/common/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq b/libpretixsync/src/main/sqldelight/common/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
index 7767a499..18af6b11 100644
--- a/libpretixsync/src/main/sqldelight/common/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
+++ b/libpretixsync/src/main/sqldelight/common/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
@@ -49,6 +49,7 @@ INSERT INTO ReceiptLine (
     tax_rate,
     tax_rule,
     tax_value,
+    tax_code,
     type,
     use_reusable_medium,
     variation_id,
@@ -97,5 +98,6 @@ VALUES (
     ?,
     ?,
     ?,
+    ?,
     ?
 );
diff --git a/libpretixsync/src/main/sqldelight/migrations/105.sqm b/libpretixsync/src/main/sqldelight/migrations/105.sqm
new file mode 100644
index 00000000..b9486462
--- /dev/null
+++ b/libpretixsync/src/main/sqldelight/migrations/105.sqm
@@ -0,0 +1 @@
+-- Empty migration to set database version to 106
diff --git a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
index d643aa29..4caf9fe4 100644
--- a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
+++ b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
@@ -40,6 +40,7 @@ CREATE TABLE ReceiptLine (
     tax_rate numeric,
     tax_rule bigint,
     tax_value numeric,
+    tax_code character varying(255),
     type character varying(255),
     use_reusable_medium bigint,
     variation_id bigint,
diff --git a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
index b2167095..bcd4cdf9 100644
--- a/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
+++ b/libpretixsync/src/main/sqldelight/sqlite/eu/pretix/libpretixsync/sqldelight/ReceiptLine.sq
@@ -43,6 +43,7 @@ CREATE TABLE ReceiptLine (
     tax_rate REAL AS BigDecimal,
     tax_rule INTEGER,
     tax_value REAL AS BigDecimal,
+    tax_code TEXT,
     type TEXT,
     use_reusable_medium INTEGER,
     variation_id INTEGER,