\def\isodoc@xxYY{%
  \gdef\accountdatatext	{...} % Banking data
  \gdef\accountnametext	{...} % in the name of
  \gdef\accountnotext	{...} % Account no.
  \gdef\amounttext	{...} % Amount
  \gdef\bictext         {...} % \scshape{bic}
  \gdef\ccname		{...} % cc
  \gdef\cellphonetext	{...} % cellphone
  \gdef\chambertext	{...} % ch.comm.
  \gdef\datetext	{...} % Date
  \gdef\daystext	{...} % days
  \gdef\descriptiontext	{...} % Description
  \gdef\emailtext	{...} % email
  \gdef\enclosurestext	{...} % Enclosures:
  \gdef\enclosuretext	{...} % Enclosure:
  \gdef\faxtext		{...} % telefax
  \gdef\invoicetext	{...} % \textbf{\textsc{\Large invoice}}
  \gdef\oftext		{...} % of
  \gdef\ourreftext	{...} % Our reference
  \gdef\pagetext	{...} % Page
  \gdef\phonetext	{...} % telephone
  \gdef\referencetext	{...} % Reference
  \gdef\routenotext	{...} % Routing no
  \gdef\subjecttext	{...} % Subject:
  \gdef\termtext	{...} % term of payment
  \gdef\totaltext	{...} % Total
  \gdef\totext		{...} % To
  \gdef\vatnotext	{...} % vat no.
  \gdef\vattext		{...} % Vat
  \gdef\websitetext	{...} % website
  \gdef\yourlettertext	{...} % Your letter of
  \gdef\yourreftext	{...} % Your reference
  \gdef\@isodate        {\ifcase\day\or
    1st\or 2nd\or 3rd\or 4th\or 5th\or
    6th\or 7th\or 8th\or 9th\or 10th\or
    11th\or 12th\or 13th\or 14th\or 15th\or
    16th\or 17th\or 18th\or 19th\or 20th\or
    21st\or 22nd\or 23rd\or 24th\or 25th\or
    26th\or 27th\or 28th\or 29th\or 30th\or
    31st\fi\space\ifcase\month\or
    January\or February\or March\or April\or May\or June\or
    July\or August\or September\or October\or November\or December\fi
    \space \number\year}
}
