diff --git a/docs/DIAN/Anexo_tecnico_vr18_09022021.pdf b/docs/DIAN/Anexo_tecnico_vr18_09022021.pdf
new file mode 100644
index 0000000..244dc2d
Binary files /dev/null and b/docs/DIAN/Anexo_tecnico_vr18_09022021.pdf differ