- §104 BGB
- § 1310 BGB
- § 1312 BGB
- § 1896 ff. BGB
- § 1903 BGB
- Art. 13 Abs. 4 Satz 1 EGBGB
- § 6 PStG
- § 11 PStG
- § 13 PStG
- § 29 PStV
- Art. 14.1 ff. PStGVwV
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