diff --git a/kalibrierschein/IK.clo b/kalibrierschein/IK-0000.clo
similarity index 98%
rename from kalibrierschein/IK.clo
rename to kalibrierschein/IK-0000.clo
index e46461b1910515612743948e4964cdd57eb8780d..0812864a9b8f5a0a1448f79425a099a64161702e 100644
--- a/kalibrierschein/IK.clo
+++ b/kalibrierschein/IK-0000.clo
@@ -1,5 +1,5 @@
 
-\ProvidesFile{IK.clo}[2014/01/28 v1.0b class option (RN/PTB)]
+\ProvidesFile{IK-0000.clo}[2014/01/28 v1.0b class option (RN/PTB)]
 
 \newcommand*\ks@printFirstPage{%
   \unitlength=1bp %
diff --git a/kalibrierschein/KK.clo b/kalibrierschein/KK-0000.clo
similarity index 98%
rename from kalibrierschein/KK.clo
rename to kalibrierschein/KK-0000.clo
index 72a28af9d719a0915e1b4e516a366199170b4cda..54cf5c3bd1d2fb4225ab26c60c3ca40065a145a8 100644
--- a/kalibrierschein/KK.clo
+++ b/kalibrierschein/KK-0000.clo
@@ -1,5 +1,5 @@
 
-\ProvidesFile{KK.clo}[2014/01/28 v1.0b class option (RN/PTB)]
+\ProvidesFile{KK-0000.clo}[2014/01/28 v1.0b class option (RN/PTB)]
 
 \newcommand*\ks@printFirstPage{%
   \unitlength=1bp %
diff --git a/kalibrierschein/kalibrierschein.cls b/kalibrierschein/kalibrierschein.cls
index 52f64261e1511163101f361f735757eb5338698e..756b7b75f19ee0a764f76352a545406a0c668464 100644
--- a/kalibrierschein/kalibrierschein.cls
+++ b/kalibrierschein/kalibrierschein.cls
@@ -2,6 +2,7 @@
 \setcounter{errorcontextlines}{100}
 \newcommand*\ks@location{Berlin}
 \newcommand*\ks@kalType{KK}
+\newcommand*\ks@layout{-0000}
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
 \ProvidesClass{kalibrierschein}
     [2014/07/01 v0.1s Dokumentenklasse (RN/PTB)]
@@ -9,6 +10,7 @@
 \DeclareOption{BLN}{\def\ks@location{Berlin}}
 \DeclareOption{KK}{\edef\ks@kalType{\CurrentOption}}
 \DeclareOption{IK}{\edef\ks@kalType{\CurrentOption}}
+\DeclareOption{2015}{\edef\ks@layout{-\CurrentOption}}
 \DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrartcl}}
 \ProcessOptions\relax
 \PassOptionsToPackage{paper=a4,pagesize,twoside=false,headinclude}{typearea}
@@ -221,7 +223,7 @@ footskip=0bp,
   \end{picture}
 }
 
-\input{\ks@kalType.clo}% Titelseitendefinion
+\input{\ks@kalType\ks@layout.clo}% Titelseitendefinion
 
 \newcommand\ks@lastPage{%
   \large