diff --git a/acronyms.tex b/acronyms.tex
index 3ebd82b..60ccee2 100644
--- a/acronyms.tex
+++ b/acronyms.tex
@@ -163,6 +163,8 @@ This document employs several abbreviations and acronyms to refer concisely to a
     \acro{OLDB}{Online Database}
     \acro{OoM}{Order of Magnitude}
     \acro{OpcUA}{OPC Unified Architecture}
+    \acro{OPD}{Optical Path Difference}
+    \acro{OPL}{Optical Path Length}
     \acro{OSE}{Optical Support Equipment}
     \acro{OSS}{Observer Support Software}
     \acro{PA}{Product Assurance}
diff --git a/main.tex b/main.tex
index 5e852d8..61dd4c2 100644
--- a/main.tex
+++ b/main.tex
@@ -8,6 +8,7 @@
 %   -Took inspiration from SRON document         %
 %    template (https://personal.sron.nl/~pault/) %
 %   -Update to include references in tables      %
+%   -Addition of a memo format                   %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
@@ -19,9 +20,12 @@
 % review    - Version ready for review
 % draft     - Adds warning to title page and header that the document is a draft 
 %             version.
+% memo      - minimal document. Removes the title page, change record table, table
+%             of contents, document number and issue number. It is up to the user 
+%             to leave or remove other sections of the main document.
 
 \documentclass[twoside,11pt,a4paper]{article}
-\usepackage[draft]{micado}   % micado.sty defines the layout of the document. Place 
+\usepackage[review]{micado}   % micado.sty defines the layout of the document. Place 
                                 % argument within brackets
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
@@ -118,12 +122,11 @@
 % (ApplicableDocuments.bib) will be printed automatically.
 % For reference documents, only those documents that are cited in the text are printed.
 \subsection{Applicable Documents}\label{sec:AD}
-The following \ac{AD} of the exact issue contain provisions (statements, instructions, recommendations or requirements) that are ruling over - and implicate provisions in the present document.
+\defbibnote{ADnote}{The following \ac{AD} of the exact issue contain provisions (statements, instructions, recommendations or requirements) that are ruling over - and implicate provisions in the present document.}
 
 \nocite{*} % This nocite is necessary for printing all applicable documents!
 \newrefcontext[labelprefix=AD]
-% \printbibliography[heading=none, notkeyword={RD}]
-\printbibtabular[heading=none, notkeyword={RD}]
+\printbibtabular[prenote=ADnote, heading=none, notkeyword={RD}]
 
 \subsection{Reference Documents}\label{sec:RD}
 \defbibnote{RDnote}{The following \ac{RD} contains useful information relevant to the subject of the present document.}
diff --git a/micado.sty b/micado.sty
index d2cc60f..e4e2e03 100644
--- a/micado.sty
+++ b/micado.sty
@@ -162,6 +162,7 @@
 \newif\if@dmdexternal
 \newif\if@openright
 \newif\if@technote
+\newif\if@memo
 
 
 \DeclareOption{draft}{\@dmddrafttrue}
@@ -170,6 +171,7 @@
 \DeclareOption{openright}{\@openrighttrue}
 \DeclareOption{openany}{\@openrightfalse}
 \DeclareOption{technote}{\@technotetrue}
+\DeclareOption{memo}{\@memotrue}
 \ProcessOptions
 
 \newlength\LogoWidth
@@ -230,6 +232,10 @@
 \if@technote
     \def\dmdHeaderTitle{Technical Note - \@dmdTitle}
 \fi
+\if@memo
+    \def\dmdHeaderTitle{Memo - \@dmdTitle}
+\fi
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%% End experimentation
 
 \fancyhead{}
@@ -246,14 +252,25 @@
     \multirow{4}{7cm}{%
       \centering{\large \dmdHeaderTitle}
     % \centering{\large \@dmdTitle}
-      } & \small Doc:\rule[1ex]{0pt}{1.1ex} &
-    \hspace*{\fill}\small \@dmdDocId                     \\ %\cline{3-4}
-    & & \small Issue:\rule[1ex]{0pt}{1.1ex} &
-    \hspace*{\fill}\small \@dmdIssue                     \\ %\cline{3-4}
-    & & \small Date:\rule[1ex]{0pt}{1.1ex}  &
-    \hspace*{\fill}\small \@dmdDate                      \\ %\cline{3-4}
-    & & \small Page: \rule[1ex]{0pt}{1.1ex}  &
-    \hspace*{\fill}\small \thepage\ of \pageref{LastPage}\\
+      } & 
+    \if@memo
+        & \\
+        & & \small Date:\rule[1ex]{0pt}{1.1ex}  &
+        \hspace*{\fill}\small \@dmdDate                      \\ %\cline{3-4}
+        & & \small Page: \rule[1ex]{0pt}{1.1ex}  &
+        \hspace*{\fill}\small \thepage\ of \pageref{LastPage}\\
+        & & & \\
+        % \hspace*{\fill}\small Hello there!                     \\ %\cline{3-4}
+    \else
+        \small Doc:\rule[1ex]{0pt}{1.1ex} &
+        \hspace*{\fill}\small \@dmdDocId                     \\ %\cline{3-4}
+        & & \small Issue:\rule[1ex]{0pt}{1.1ex} &
+        \hspace*{\fill}\small \@dmdIssue                     \\ %\cline{3-4}
+        & & \small Date:\rule[1ex]{0pt}{1.1ex}  &
+        \hspace*{\fill}\small \@dmdDate                      \\ %\cline{3-4}
+        & & \small Page: \rule[1ex]{0pt}{1.1ex}  &
+        \hspace*{\fill}\small \thepage\ of \pageref{LastPage}\\
+    \fi
     \hline
   \end{tabular}
   }
@@ -422,3 +439,9 @@
     \end{ChangeRecordTable}   
     }
 \fi
+
+% A memo does not require a cover page or change record table. Neither does it have a document number
+\if@memo
+    \renewcommand{\dmdmaketitle}{
+    }
+\fi