Sampled businesses were initially sent a bilingual (Welsh and English) postal invitation letter (Appendix A) encouraging them to go online to complete the TSW.
Anfonwyd llythyr gwahoddiad dwyieithog (Cymraeg a Saesneg) at fusnesau sampl i ddechrau (Atodiad A) yn eu hannog i fynd ar-lein i lenwi TSW.