diff --git a/ptbletter/ptbletter-doc.pdf b/ptbletter/ptbletter-doc.pdf
index d7552bc16c57ea8934431dd8e91dc896d54d0d15..2d2fec60aa86909615838bc4afee9790291b2d47 100644
Binary files a/ptbletter/ptbletter-doc.pdf and b/ptbletter/ptbletter-doc.pdf differ
diff --git a/ptbletter/ptbletter-doc.tex b/ptbletter/ptbletter-doc.tex
index eac8158a69ba68bccd4fe4f7ea906bbb3e3f25af..9c1473c81b2767eaecace47b57b8f0513e9459a4 100644
--- a/ptbletter/ptbletter-doc.tex
+++ b/ptbletter/ptbletter-doc.tex
@@ -3,8 +3,12 @@
 ,ngerman
 ,twoside
 ,serif
+,sanserif
 ,BLN
+%,BS
+%,head0
 ,head1
+%,head2
 %,visualize
 ]{ptbletter}
 
diff --git a/ptbletter/ptbletter.cls b/ptbletter/ptbletter.cls
index 055457c2fffcf0cddfb54827268576fefe870d07..2a7af14a1ca322bcc2384752f649ff36d192a16c 100644
--- a/ptbletter/ptbletter.cls
+++ b/ptbletter/ptbletter.cls
@@ -3,7 +3,7 @@
 \setcounter{errorcontextlines}{100}  \listfiles
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\ProvidesClass{ptbletter}[2018/06/13 v0.3b PTB-Brief-Klasse (RN)]
+\ProvidesClass{ptbletter}[2018/06/14 v0.3c PTB-Brief-Klasse (RN)]
 
 \let\ptb@tempdima=\@ovxx
 \let\ptb@tempdimb=\@ovyy
@@ -110,11 +110,6 @@
 
 \let\texteuro=\officialeuro
 
-
-%\RequirePackage{etoolbox}
-%\preto\@classoptionslist{ngerman,}
-% Ohne Sprachangabe "deutsch" verwenden. Bessere Lösung?
-
 \RequirePackage[\ptb@lang]{babel}
 \RequirePackage{etoolbox,iflang,trimspaces}
 \AtEndPreamble{%
@@ -141,16 +136,12 @@
 
 \@setplength{toaddrhpos}{72bp}
 \@setplength{toaddrvpos}{124bp}
-%\@setplength{toaddrwidth}{85mm}
 
 \@setplength{lochpos}{-354bp}% "-" --> vom linken Blattand aus
 \@setplength{locvpos}{146bp}%      --> vom oberen Blattand aus
 \@setplength{locwidth}{212bp}
 \@setplength{locheight}{139bp}
 
-%\@setplength{refaftervskip}{75bp}
-
-%\@setplength{refhpos}{72bp}
 \@setplength{refvpos}{304bp}
 %\@setplength{refwidth}{40mm}
 \@setplength{refaftervskip}{\z@}
@@ -168,9 +159,6 @@
 
 \@setplength{subjectaftervskip}{23bp}
 
-%\@setplength{refvpos}{1sp}
-%\@setplength{refhpos}{1sp}
-%\@setplength{refwidth}{110bp}
 \removereffields
 
 \addtokomafont{addressee}{\sffamily}
@@ -302,8 +290,6 @@
   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}%