diff --git a/docs/accounting/AccountingApi.md b/docs/accounting/AccountingApi.md
index c0570464..91db981d 100644
--- a/docs/accounting/AccountingApi.md
+++ b/docs/accounting/AccountingApi.md
@@ -99,7 +99,7 @@ Method | HTTP request | Description
 [**get_contact_by_contact_number**](AccountingApi.md#get_contact_by_contact_number) | **GET** /Contacts/{ContactNumber} | Retrieves a specific contact by contact number in a Xero organisation
 [**get_contact_cis_settings**](AccountingApi.md#get_contact_cis_settings) | **GET** /Contacts/{ContactID}/CISSettings | Retrieves CIS settings for a specific contact in a Xero organisation
 [**get_contact_group**](AccountingApi.md#get_contact_group) | **GET** /ContactGroups/{ContactGroupID} | Retrieves a specific contact group by using a unique contact group Id
-[**get_contact_groups**](AccountingApi.md#get_contact_groups) | **GET** /ContactGroups | Retrieves the contact Id and name of all the contacts in a contact group
+[**get_contact_groups**](AccountingApi.md#get_contact_groups) | **GET** /ContactGroups | Retrieves the contact Id and name of each contact group
 [**get_contact_history**](AccountingApi.md#get_contact_history) | **GET** /Contacts/{ContactID}/History | Retrieves history records for a specific contact
 [**get_contacts**](AccountingApi.md#get_contacts) | **GET** /Contacts | Retrieves all contacts in a Xero organisation
 [**get_credit_note**](AccountingApi.md#get_credit_note) | **GET** /CreditNotes/{CreditNoteID} | Retrieves a specific credit note using a unique credit note Id
@@ -6589,7 +6589,7 @@ Name | Type | Description  | Notes
 
 > ContactGroups get_contact_groups(xero_tenant_id, opts)
 
-Retrieves the contact Id and name of all the contacts in a contact group
+Retrieves the contact Id and name of each contact group
 
 ### Example
 
@@ -6624,7 +6624,7 @@ opts = {
 }
 
 begin
-  #Retrieves the contact Id and name of all the contacts in a contact group
+  #Retrieves the contact Id and name of each contact group
   result = api_instance.get_contact_groups(xero_tenant_id, opts)
   p result
 rescue XeroRuby::Accounting::ApiError => e
diff --git a/docs/accounting/index.html b/docs/accounting/index.html
index 70300037..dc2f6b19 100644
--- a/docs/accounting/index.html
+++ b/docs/accounting/index.html
@@ -20811,7 +20811,7 @@ <h2>Parameters</h2>
                 <article id="api-Accounting-getContactGroups-0" data-group="User" data-name="getContactGroups" data-version="0">
                   <div class="pull-left">
                     <h1>getContactGroups</h1>
-                    <p>Retrieves the contact Id and name of all the contacts in a contact group</p>
+                    <p>Retrieves the contact Id and name of each contact group</p>
                   </div>
                   <div class="pull-right"></div>
                   <div class="clearfix"></div>
diff --git a/docs/payroll_uk/index.html b/docs/payroll_uk/index.html
index 32a49ebd..224adbd5 100644
--- a/docs/payroll_uk/index.html
+++ b/docs/payroll_uk/index.html
@@ -1381,7 +1381,7 @@
     "earningsType" : {
       "type" : "string",
       "description" : "Indicates how an employee will be paid when taking this type of earning",
-      "enum" : [ "Allowance", "Backpay", "Bonus", "Commission", "LumpSum", "OtherEarnings", "OvertimeEarnings", "RegularEarnings", "StatutoryAdoptionPay", "StatutoryAdoptionPayNonPensionable", "StatutoryBereavementPay", "StatutoryMaternityPay", "StatutoryMaternityPayNonPensionable", "StatutoryPaternityPay", "StatutoryPaternityPayNonPensionable", "StatutoryParentalBereavementPayNonPensionable", "StatutorySharedParentalPay", "StatutorySharedParentalPayNonPensionable", "StatutorySickPay", "StatutorySickPayNonPensionable", "Tips(Direct)", "Tips(Non-Direct)" ]
+      "enum" : [ "Allowance", "Backpay", "Bonus", "Commission", "LumpSum", "OtherEarnings", "OvertimeEarnings", "RegularEarnings", "StatutoryAdoptionPay", "StatutoryAdoptionPayNonPensionable", "StatutoryBereavementPay", "StatutoryMaternityPay", "StatutoryMaternityPayNonPensionable", "StatutoryPaternityPay", "StatutoryPaternityPayNonPensionable", "StatutoryParentalBereavementPayNonPensionable", "StatutorySharedParentalPay", "StatutorySharedParentalPayNonPensionable", "StatutorySickPay", "StatutorySickPayNonPensionable", "Tips(Direct)", "Tips(Non-Direct)", "TerminationPay" ]
     },
     "rateType" : {
       "type" : "string",
diff --git a/lib/xero-ruby/api/accounting_api.rb b/lib/xero-ruby/api/accounting_api.rb
index 72343869..ecf0acd0 100644
--- a/lib/xero-ruby/api/accounting_api.rb
+++ b/lib/xero-ruby/api/accounting_api.rb
@@ -7722,7 +7722,7 @@ def get_contact_group_with_http_info(xero_tenant_id, contact_group_id, options =
       return data, status_code, headers
     end
 
-    # Retrieves the contact Id and name of all the contacts in a contact group
+    # Retrieves the contact Id and name of each contact group
     # @param xero_tenant_id [String] Xero identifier for Tenant
     # @param [Hash] opts the optional parameters
     # @option opts [String] :where Filter by an any element
@@ -7733,7 +7733,7 @@ def get_contact_groups(xero_tenant_id, opts = {})
       data
     end
 
-    # Retrieves the contact Id and name of all the contacts in a contact group
+    # Retrieves the contact Id and name of each contact group
     # @param xero_tenant_id [String] Xero identifier for Tenant
     # @param [Hash] opts the optional parameters
     # @option opts [String] :where Filter by an any element
diff --git a/lib/xero-ruby/models/payroll_uk/earnings_rate.rb b/lib/xero-ruby/models/payroll_uk/earnings_rate.rb
index 558481f5..ef769f67 100644
--- a/lib/xero-ruby/models/payroll_uk/earnings_rate.rb
+++ b/lib/xero-ruby/models/payroll_uk/earnings_rate.rb
@@ -46,6 +46,7 @@ class EarningsRate
     STATUTORY_SICK_PAY_NON_PENSIONABLE = "StatutorySickPayNonPensionable".freeze
     TIPS_DIRECT = "Tips(Direct)".freeze
     TIPS_NON_DIRECT = "Tips(Non-Direct)".freeze
+    TERMINATION_PAY = "TerminationPay".freeze
     
     # Indicates the type of the earning rate
     attr_accessor :rate_type
@@ -213,7 +214,7 @@ def list_invalid_properties
     def valid?
       return false if @name.nil?
       return false if @earnings_type.nil?
-      earnings_type_validator = EnumAttributeValidator.new('String', ["Allowance", "Backpay", "Bonus", "Commission", "LumpSum", "OtherEarnings", "OvertimeEarnings", "RegularEarnings", "StatutoryAdoptionPay", "StatutoryAdoptionPayNonPensionable", "StatutoryBereavementPay", "StatutoryMaternityPay", "StatutoryMaternityPayNonPensionable", "StatutoryPaternityPay", "StatutoryPaternityPayNonPensionable", "StatutoryParentalBereavementPayNonPensionable", "StatutorySharedParentalPay", "StatutorySharedParentalPayNonPensionable", "StatutorySickPay", "StatutorySickPayNonPensionable", "Tips(Direct)", "Tips(Non-Direct)"])
+      earnings_type_validator = EnumAttributeValidator.new('String', ["Allowance", "Backpay", "Bonus", "Commission", "LumpSum", "OtherEarnings", "OvertimeEarnings", "RegularEarnings", "StatutoryAdoptionPay", "StatutoryAdoptionPayNonPensionable", "StatutoryBereavementPay", "StatutoryMaternityPay", "StatutoryMaternityPayNonPensionable", "StatutoryPaternityPay", "StatutoryPaternityPayNonPensionable", "StatutoryParentalBereavementPayNonPensionable", "StatutorySharedParentalPay", "StatutorySharedParentalPayNonPensionable", "StatutorySickPay", "StatutorySickPayNonPensionable", "Tips(Direct)", "Tips(Non-Direct)", "TerminationPay"])
       return false unless earnings_type_validator.valid?(@earnings_type)
       return false if @rate_type.nil?
       rate_type_validator = EnumAttributeValidator.new('String', ["RatePerUnit", "MultipleOfOrdinaryEarningsRate", "FixedAmount"])
@@ -226,7 +227,7 @@ def valid?
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] earnings_type Object to be assigned
     def earnings_type=(earnings_type)
-      validator = EnumAttributeValidator.new('String', ["Allowance", "Backpay", "Bonus", "Commission", "LumpSum", "OtherEarnings", "OvertimeEarnings", "RegularEarnings", "StatutoryAdoptionPay", "StatutoryAdoptionPayNonPensionable", "StatutoryBereavementPay", "StatutoryMaternityPay", "StatutoryMaternityPayNonPensionable", "StatutoryPaternityPay", "StatutoryPaternityPayNonPensionable", "StatutoryParentalBereavementPayNonPensionable", "StatutorySharedParentalPay", "StatutorySharedParentalPayNonPensionable", "StatutorySickPay", "StatutorySickPayNonPensionable", "Tips(Direct)", "Tips(Non-Direct)"])
+      validator = EnumAttributeValidator.new('String', ["Allowance", "Backpay", "Bonus", "Commission", "LumpSum", "OtherEarnings", "OvertimeEarnings", "RegularEarnings", "StatutoryAdoptionPay", "StatutoryAdoptionPayNonPensionable", "StatutoryBereavementPay", "StatutoryMaternityPay", "StatutoryMaternityPayNonPensionable", "StatutoryPaternityPay", "StatutoryPaternityPayNonPensionable", "StatutoryParentalBereavementPayNonPensionable", "StatutorySharedParentalPay", "StatutorySharedParentalPayNonPensionable", "StatutorySickPay", "StatutorySickPayNonPensionable", "Tips(Direct)", "Tips(Non-Direct)", "TerminationPay"])
       unless validator.valid?(earnings_type)
         fail ArgumentError, "invalid value for \"earnings_type\", must be one of #{validator.allowable_values}."
       end
diff --git a/lib/xero-ruby/version.rb b/lib/xero-ruby/version.rb
index b1dc9214..52a71c06 100644
--- a/lib/xero-ruby/version.rb
+++ b/lib/xero-ruby/version.rb
@@ -11,5 +11,5 @@
 =end
 
 module XeroRuby
-  VERSION = '3.1.1'
+  VERSION = '3.1.2'
 end