diff --git a/SnipeitPS/Public/New-SnipeitLicense.ps1 b/SnipeitPS/Public/New-SnipeitLicense.ps1
index 74ea39a..f777df3 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?
 
@@ -89,7 +92,6 @@ function New-SnipeitLicense() {
 
         [datetime]$expiration_date,
 
-        [ValidateLength(1, 120)]
         [mailaddress]$license_email,
 
         [ValidateLength(1, 100)]
@@ -108,6 +110,8 @@ function New-SnipeitLicense() {
 
         [datetime]$purchase_date,
 
+        [string]$purchase_order,
+
         [bool]$reassignable,
 
         [string]$serial,
@@ -140,6 +144,10 @@ function New-SnipeitLicense() {
             $Values['termination_date'] = $Values['termination_date'].ToString("yyyy-MM-dd")
         }
 
+        if ($Values['license_email']) {
+            $Values['license_email'] = $Values['license_email'].address
+        }
+
         $Parameters = @{
             Api    = "/api/v1/licenses"
             Method = 'POST'
diff --git a/SnipeitPS/Public/New-SnipeitSupplier.ps1 b/SnipeitPS/Public/New-SnipeitSupplier.ps1
index 599dbe0..3038381 100644
--- a/SnipeitPS/Public/New-SnipeitSupplier.ps1
+++ b/SnipeitPS/Public/New-SnipeitSupplier.ps1
@@ -102,7 +102,7 @@ function New-SnipeitSupplier() {
         $Values = . Get-ParameterValue -Parameters $MyInvocation.MyCommand.Parameters -BoundParameters $PSBoundParameters
 
         $Parameters = @{
-            Api    = "/api/v1/suppilers"
+            Api    = "/api/v1/suppliers"
             Method = 'POST'
             Body   = $Values
         }
diff --git a/SnipeitPS/Public/Set-SnipeitLicense.ps1 b/SnipeitPS/Public/Set-SnipeitLicense.ps1
index 21bfa9f..9d9e322 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,
@@ -151,6 +156,9 @@ function Set-SnipeitLicense() {
             $Values['termination_date'] = $Values['termination_date'].ToString("yyyy-MM-dd")
         }
 
+        if ($Values['license_email']) {
+            $Values['license_email'] = $Values['license_email'].address
+        }
     }
 
     process {