diff --git a/erklaerung/ptb-declaration-de.clo b/erklaerung/ptb-declaration-de.clo
index 81f8af921c3bf90381df583bb0520f8b6256c618..750c83528b1de3e0fd5c8cd75e3c55bbc6c84797 100644
--- a/erklaerung/ptb-declaration-de.clo
+++ b/erklaerung/ptb-declaration-de.clo
@@ -21,7 +21,7 @@ oder per Fax an \vl@myfax{} oder E-Mail an \vl@myemail{} oder dem Gerät beilege
 
 \medskip
 \textbf{Bezug:}~\parbox[t]{10cm}{PTB-Reg.-Nr.:~\vl@myref~~vom~~\vl@mymail \\
-                                 Unsere Auftragsnummer:}
+                                 Unsere Auftragsnummer:~\vl@yourref}
 
 \medskip
 Wir versichern, dass die zur Kalibrierung eingereichten Vakuummessgeräte oder
diff --git a/erklaerung/ptb-declaration-en.clo b/erklaerung/ptb-declaration-en.clo
index 55534fa73ffb1cb4bc8304f88059eec800ccc454..e7df6deaf1df2767f33ac547b06fa1dc5b9b7c68 100644
--- a/erklaerung/ptb-declaration-en.clo
+++ b/erklaerung/ptb-declaration-en.clo
@@ -23,7 +23,7 @@
 
   \medskip
   \textbf{Subject:}~\parbox[t]{15cm}{Reg. No. (PTB):~\vl@myref,~Date of
-    confirmation:~\vl@mymail \\ Our order no. (if applicable):}
+    confirmation:~\vl@mymail \\ Our order no. (if applicable):~\vl@yourref}
 
   \medskip
   This is to certify that the vacuum gauges and/or test leaks (including their
diff --git a/erklaerung/ptb-declaration.cls b/erklaerung/ptb-declaration.cls
index 9a7f5d45b97d057ebbd1f2b18484591a1b448a3a..c95c55c4328c31f6365b94d3199ab826d877b4c2 100644
--- a/erklaerung/ptb-declaration.cls
+++ b/erklaerung/ptb-declaration.cls
@@ -67,10 +67,12 @@
 \newcommand*\mymail[1]{\vl@setcommand{vl@mymail}{#1}}
 \newcommand*\myfax[1]{\vl@setcommand{vl@myfax}{#1}}
 \newcommand*\myemail[1]{\vl@setcommand{vl@myemail}{#1}}
+\newcommand*\yourref[1]{\vl@setcommand{vl@yourref}{#1}}
 \newcommand*\vl@myref{}
 \newcommand*\vl@mymail{}
 \newcommand*\vl@myfax{}
 \newcommand*\vl@myemail{}
+\newcommand*\vl@yourref{}
 
 \newcolumntype{Y}{>{\centering\arraybackslash}X}
 \newcolumntype{C}[1]{>{\centering\arraybackslash}p{#1}}
diff --git a/erklaerung/test-declaration-de.tex b/erklaerung/test-declaration-de.tex
index 3c890e291e1f3cbf232607d53fb55e1ea741850e..65f4a73987bcc03ccc9ed6424d20e29ddf6c8f7c 100644
--- a/erklaerung/test-declaration-de.tex
+++ b/erklaerung/test-declaration-de.tex
@@ -4,6 +4,7 @@
 \mymail{2015-12-04}
 \myfax{+49-30-3481-7490}
 \myemail{karl.jousten@ptb.de}
+\yourref{Wrdlbrmpft0815} 
 
 \begin{document}
 \end{document}
diff --git a/erklaerung/test-declaration-en.tex b/erklaerung/test-declaration-en.tex
index da7c12ae98c3d8a8876b9b04bbc7dd741b3dbd7e..3d6e2707bef95a81c98c09130b3d52ea3d0feea6 100644
--- a/erklaerung/test-declaration-en.tex
+++ b/erklaerung/test-declaration-en.tex
@@ -4,6 +4,7 @@
 \mymail{2015-12-04}
 \myfax{+49-30-3481-7490}
 \myemail{karl.jousten@ptb.de}
+\yourref{Wrdlbrmpft0815}
 
 \begin{document}
 \end{document}
diff --git a/kalibrierschein/test-ks-KK-2015.tex b/kalibrierschein/test-ks-KK-2015.tex
index 7789bb914124322a73c01af365ead872286eca8d..899e1cfb77bf31922569c3f583cc62db234b6f1b 100644
--- a/kalibrierschein/test-ks-KK-2015.tex
+++ b/kalibrierschein/test-ks-KK-2015.tex
@@ -26,8 +26,14 @@ mbar&mbar&mbar&mbar&&\\\toprule\endhead
 \object{ Stabil Ion Gauge }
 \manufacturer{ Granville-Phillips }
 \type{ EXT-Y, Stabil Ion Controler 370B }
-\serialNo{ YEA06800, # & _ ^ 1449 }
-\applicant{  { BOC EDWARDS }  { Marshall Road }  { EASTBOURNE, EAST SUSSEX }  { BN22 9BA } }
+\serialNo{ YEA06800, # & _ ^ 1449 } 
+\applicant{ 
+  { Customer.Name } 
+  { Customer.Address.Street } 
+  { Customer.Address.Zipcode Customer.Address.Town }
+  { Customer.Address.District } 
+}
+
 \refNo{ ? }
 \calibMark{ 75120 PTB 13 }
 \calibDate{ 2013-11-26 }