diff --git a/antragsbestaetigung/ptbletter-test.tex b/antragsbestaetigung/ptbletter-test.tex
new file mode 100644
index 0000000000000000000000000000000000000000..2f87688a9610acd82b075733fb68c3189d3e2398
--- /dev/null
+++ b/antragsbestaetigung/ptbletter-test.tex
@@ -0,0 +1,40 @@
+
+\documentclass[%
+,ngerman
+,visualize
+]{ptbletter}
+
+\usepackage{blindtext}
+
+\setkomavar{backaddress}{PTB\\Abbestr. 2--12\\10587 Berlin}
+%\setkomavar{backaddress}{PTB\\Postfach 33 45\\38023 Braunschweig}
+
+\setkomavar{yourref}{hugo}
+\setkomavar{yourmail}{2015-05-08}
+
+\setkomavar{handledby}{Peter Silie}
+\setkomavar{myref}{pesi}
+\setkomavar{mymail}{2015-05-14}
+\setkomavar{myphone}{7316}
+\setkomavar{myfax}{7777}
+\setkomavar{fromemail}{Peter.Silie@ptb.de}
+
+\setkomavar{subject}{Neuordnung der Welt}
+
+\setkomavar{date}{2015-05-21}
+
+\begin{document}
+
+\begin{letter}{%
+Petra Mustermann\\
+Vor dem Berg 1\\
+12345 Musterhausen%
+}
+
+\opening{Liebe Vereinsvorsitzende,}
+
+\blindtext[2]
+
+\end{letter}
+
+\end{document}
diff --git a/antragsbestaetigung/ptbletter.cls b/antragsbestaetigung/ptbletter.cls
new file mode 100644
index 0000000000000000000000000000000000000000..c615e2eaafe42a09ea54b2c8ce075b1f97302cfc
--- /dev/null
+++ b/antragsbestaetigung/ptbletter.cls
@@ -0,0 +1,157 @@
+% Rolf Niepraschk, Rolf.Niepraschk@ptb.de
+
+\setcounter{errorcontextlines}{100}  \listfiles
+
+\NeedsTeXFormat{LaTeX2e}[1999/12/01]
+\ProvidesClass{ptbletter}
+    [2015/05/08 v0.1a PTB-Brief-Klasse (RN)]
+
+\DeclareOption{german}{\def\ptb@lang{main=ngerman}}
+\DeclareOption{ngerman}{\def\ptb@lang{main=ngerman}}
+\DeclareOption{de}{\def\ptb@lang{main=ngerman}}
+\DeclareOption{english}{\def\ptb@lang{main=english}}
+\DeclareOption{en}{\def\ptb@lang{main=english}}
+
+\DeclareOption{visualize}{%
+  \PassOptionsToClass{\CurrentOption}{scrlttr2}
+  \AtEndOfClass{%
+    \showfields{head,address,location,refline,foot}%
+    %\showfields{refline}%
+    \addtokomafont{field}{\color{lightgray}}%
+    \setshowstyle{rule}%
+    %\setshowstyle{edges}%
+    %\setshowstyle{frame}% default
+  }
+}
+
+\DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrlttr2}}
+
+\ExecuteOptions{pagesize}
+\ProcessOptions\relax
+
+\LoadClass[%
+,fontsize=10pt
+,DINmtext
+,fromrule=off% ???
+,backaddress=plain
+,refline=nodate
+]{scrlttr2}
+
+\RequirePackage{hyphsubst}% Trennregeln austauschen
+\HyphSubstIfExists{ngerman-x-latest}{%
+  \HyphSubstLet{ngerman}{ngerman-x-latest}}{}
+\HyphSubstIfExists{german-x-latest}{%
+  \HyphSubstLet{german}{german-x-latest}}{}
+
+\RequirePackage{ifxetex,ifluatex,url}
+\newif\ifXeOrLua \XeOrLuafalse
+\ifxetex\XeOrLuatrue\else\ifluatex\XeOrLuatrue\fi\fi
+
+\ifXeOrLua% XeLaTeX oder luaLaTeX
+  \RequirePackage{fontspec}
+  \setmainfont{TeX Gyre Pagella}[Ligatures=TeX]
+  \setsansfont{TeX Gyre Heros}[Scale=MatchUppercase,Ligatures=TeX]
+  \setmonofont{AnonymousPro-Regular}[%
+    Extension = .ttf,
+    BoldFont = AnonymousPro-Bold,
+    ItalicFont = AnonymousPro-Italic,
+    BoldItalicFont = AnonymousPro-BoldItalic,
+    Scale     = MatchLowercase
+  ]
+\else
+  \RequirePackage[utf8]{inputenc}
+  \RequirePackage[T1]{fontenc}
+  \RequirePackage{textcomp}
+  \RequirePackage{mathpazo}
+  \RequirePackage{tgpagella}
+  \RequirePackage{tgheros}
+  \RequirePackage[ttdefault=true,scale=1.034]{AnonymousPro}
+\fi
+
+%\RequirePackage{etoolbox}
+%\preto\@classoptionslist{ngerman,}
+% Ohne Sprachangabe "deutsch" verwenden. Bessere Lösung?
+
+\RequirePackage[\ptb@lang]{babel}
+\RequirePackage{iflang}
+\IfLanguageName{ngerman}{%
+  \typeout{german}
+  \RequirePackage[babel=once,german=guillemets]{csquotes}
+  \AtEndOfClass{\shorthandon{"}}
+  \defineshorthand{"`}{\openautoquote}
+  \defineshorthand{"'}{\closeautoquote}
+%  \MakeAutoQuote{»}{«}
+}{%
+  \typeout{english}
+  \RequirePackage[babel=once]{csquotes}
+}
+\@setplength{toaddrhpos}{72bp}
+\@setplength{toaddrvpos}{123bp}
+%\@setplength{toaddrwidth}{85mm}
+
+\@setplength{lochpos}{-354bp}% "-" --> vom linken Blattand aus
+\@setplength{locvpos}{146bp}%      --> vom oberen Blattand aus
+\@setplength{locwidth}{212bp}
+\@setplength{locheight}{132bp}
+
+\@setplength{refaftervskip}{75bp}
+
+%\@setplength{refvpos}{1sp}
+%\@setplength{refhpos}{1sp}
+%\@setplength{refwidth}{110bp}
+\removereffields
+
+\setkomavar{backaddressseparator}{\,\,\textbullet\,\,}
+
+\addtokomafont{addressee}{\sffamily}
+\addtokomafont{refvalue}{\normalfont}
+
+\setkomavar{location}{% TODO: Tabelle!
+\raggedright\usekomafont{refvalue}%
+{\usekomafont{refname}\usekomavar*{yourref}:}~\usekomavar{yourref}\\
+{\usekomafont{refname}\usekomavar*{yourmail}:}~\usekomavar{yourmail}\\
+{\usekomafont{refname}\usekomavar*{myref}:}~\usekomavar{myref}\\
+{\usekomafont{refname}\usekomavar*{mymail}:}~\usekomavar{mymail}\\
+~\\
+{\usekomafont{refname}\usekomavar*{handledby}:}~\usekomavar{handledby}\\
+{\usekomafont{refname}\usekomavar*{myphone}:}~\usekomavar{myphone}\\
+{\usekomafont{refname}\usekomavar*{myfax}:}~\usekomavar{myfax}\\
+{\usekomafont{refname}\usekomavar*{fromemail}:}~\usekomavar{fromemail}\\
+~\\
+{\usekomafont{refname}\usekomavar*{date}:}~\usekomavar{date}
+}
+
+\newkomavar[\mymailname]{mymail}
+\newkomavar[\myphonename]{myphone}
+\newkomavar[\myfaxname]{myfax}
+\newkomavar[\handledbyname]{handledby}
+
+\defcaptionname{american,australian,british,canadian,%
+    english,newzealand,UKenglish,USenglish}\yourrefname{Your reference}%
+\defcaptionname{american,australian,british,canadian,%
+  english,newzealand,UKenglish,USenglish}\yourmailname{My letter of}%
+\defcaptionname{american,australian,british,canadian,%
+  english,newzealand,UKenglish,USenglish}\myrefname{My reference}%
+\defcaptionname{american,australian,british,canadian,%
+  english,newzealand,UKenglish,USenglish}\myphonename{Telephone}%
+\defcaptionname{american,australian,british,canadian,%
+  english,newzealand,UKenglish,USenglish}\myfaxname{Fax}%
+\defcaptionname{american,australian,british,canadian,%
+  english,newzealand,UKenglish,USenglish}\emailname{E-mail}%
+\defcaptionname{american,australian,british,canadian,%
+  english,newzealand,UKenglish,USenglish}\handledbyname{Handled by}%
+
+\defcaptionname{german,ngerman,austrian,naustrian,%
+  swissgerman,nswissgerman}\yourmailname{Ihre Nachricht vom}%
+\defcaptionname{german,ngerman,austrian,naustrian,%
+  swissgerman,nswissgerman}\myrefname{Mein Zeichen}%
+\defcaptionname{german,ngerman,austrian,naustrian,%
+  swissgerman,nswissgerman}\mymailname{Meine Nachricht vom}%
+\defcaptionname{german,ngerman,austrian,naustrian,%
+  swissgerman,nswissgerman}\myphonename{Telefondurchwahl}%
+\defcaptionname{german,ngerman,austrian,naustrian,%
+  swissgerman,nswissgerman}\myfaxname{Telefaxdurchwahl}%
+\defcaptionname{german,ngerman,austrian,naustrian,%
+  swissgerman,nswissgerman}\handledbyname{Bearbeitet von}%
+
+\endinput