diff --git a/app/controllers/epp/domains_controller.rb b/app/controllers/epp/domains_controller.rb
index 6a69249e0..84ad12d85 100644
--- a/app/controllers/epp/domains_controller.rb
+++ b/app/controllers/epp/domains_controller.rb
@@ -117,12 +117,12 @@ class Epp::DomainsController < EppController
 
   def validate_info
     @prefix = 'info > info >'
-    epp_request_valid?('name')
+    requires('name')
   end
 
   def validate_check
     @prefix = 'check > check >'
-    epp_request_valid?('name')
+    requires('name')
   end
 
   def validate_create
@@ -131,30 +131,30 @@ class Epp::DomainsController < EppController
     end
 
     @prefix = 'create > create >'
-    epp_request_valid?('name', 'ns', 'registrant', 'ns > hostAttr')
+    requires('name', 'ns', 'registrant', 'ns > hostAttr')
 
     @prefix = nil
-    epp_request_valid?('extension > extdata > legalDocument')
+    requires('extension > extdata > legalDocument')
   end
 
   def validate_renew
     @prefix = 'renew > renew >'
-    epp_request_valid?('name', 'curExpDate', 'period')
+    requires('name', 'curExpDate', 'period')
   end
 
   def validate_update
     if params[:parsed_frame].css('chg registrant').present? && params[:parsed_frame].css('legalDocument').blank?
-      epp_request_valid?('extension > extdata > legalDocument')
+      requires('extension > extdata > legalDocument')
     end
 
     @prefix = 'update > update >'
-    epp_request_valid?('name')
+    requires('name')
   end
 
   ## TRANSFER
   def validate_transfer
     @prefix = 'transfer > transfer >'
-    epp_request_valid?('name')
+    requires('name')
 
     op = params[:parsed_frame].css('transfer').first[:op]
     return if %w(approve query reject).include?(op)
@@ -163,10 +163,10 @@ class Epp::DomainsController < EppController
 
   ## DELETE
   def validate_delete
-    epp_request_valid?('extension > extdata > legalDocument')
+    requires('extension > extdata > legalDocument')
 
     @prefix = 'delete > delete >'
-    epp_request_valid?('name')
+    requires('name')
   end
 
   def domain_create_params
diff --git a/app/controllers/epp/keyrelays_controller.rb b/app/controllers/epp/keyrelays_controller.rb
index 91e2a215b..6cd61f390 100644
--- a/app/controllers/epp/keyrelays_controller.rb
+++ b/app/controllers/epp/keyrelays_controller.rb
@@ -15,7 +15,8 @@ class Epp::KeyrelaysController < EppController
 
   def validate_keyrelay
     @prefix = 'keyrelay >'
-    epp_request_valid?(
+
+    requires(
       'name',
       'keyData', 'keyData > pubKey', 'keyData > flags', 'keyData > protocol', 'keyData > alg',
       'authInfo', 'authInfo > pw'
@@ -23,6 +24,7 @@ class Epp::KeyrelaysController < EppController
 
     optional 'expiry > relative', duration_iso8601: true
     optional 'expiry > absolute', date_time_iso8601: true
+
     exactly_one_of 'expiry > relative', 'expiry > absolute'
   end
   # rubocop: enable Metrics/PerceivedComplexity
diff --git a/app/controllers/epp_controller.rb b/app/controllers/epp_controller.rb
index 3e3372ac7..bae8a357a 100644
--- a/app/controllers/epp_controller.rb
+++ b/app/controllers/epp_controller.rb
@@ -62,7 +62,7 @@ class EppController < ApplicationController
     handle_errors and return if epp_errors.any?
   end
 
-  def epp_request_valid?(*selectors)
+  def requires(*selectors)
     selectors.each do |selector|
       full_selector = [@prefix, selector].join(' ')
       el = params[:parsed_frame].css(full_selector).first