1. Issuers shall ensure that the Inline XBRL instance document is valid with respect to the Inline XBRL 1.1 specification and is conform to the XBRL Units Registry.

2. Issuers shall ensure that the issuer’s XBRL extension taxonomy files are valid with respect to the XBRL 2.1 and the XBRL Dimensions 1.0 specifications.

3. Issuers shall submit the Inline XBRL instance document and the issuer’s XBRL extension taxonomy files as a single reporting package according to the Report Packages 1.0 specification.

4. Issuers shall ensure that both the Inline XBRL instance document and the issuer’s extension taxonomy respect the requirements of the marking up and filing rules set out in Annex IV.