| 305414 | F110: Unintelligible grouping of documents |
| 45959 | Payment program: REGUH-PAYGR is not filled |
| 164835 | F110: Clearing credit memos and invoices |
| 1026988 | German law for building sector - Updated with VAT rates 2007 |
| 429979 | German law for containmnt of illegal work in building sector |