diff --git a/SnipeitPS/Public/New-SnipeitLicense.ps1 b/SnipeitPS/Public/New-SnipeitLicense.ps1
index 74ea39a..3e28dfe 100644
--- a/SnipeitPS/Public/New-SnipeitLicense.ps1
+++ b/SnipeitPS/Public/New-SnipeitLicense.ps1
@@ -47,6 +47,9 @@
     .PARAMETER purchase_date
     Date of license purchase
 
+    .PARAMETER purchase_order
+    Purchase order number of license purchase
+
     .PARAMETER reassignable
     Is license reassignable?
 
@@ -108,6 +111,8 @@ function New-SnipeitLicense() {
 
         [datetime]$purchase_date,
 
+        [string]$purchase_order,
+
         [bool]$reassignable,
 
         [string]$serial,
diff --git a/SnipeitPS/Public/Set-SnipeitLicense.ps1 b/SnipeitPS/Public/Set-SnipeitLicense.ps1
index 21bfa9f..2f37522 100644
--- a/SnipeitPS/Public/Set-SnipeitLicense.ps1
+++ b/SnipeitPS/Public/Set-SnipeitLicense.ps1
@@ -50,6 +50,9 @@
     .PARAMETER purchase_date
     Date of license purchase
 
+    .PARAMETER purchase_order
+    Purchase order number of license purchase
+
     .PARAMETER reassignable
     Is license reassignable?
 
@@ -116,6 +119,8 @@ function Set-SnipeitLicense() {
 
         [datetime]$purchase_date,
 
+        [string]$purchase_order,
+
         [bool]$reassignable,
 
         [string]$serial,