\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} }