| Subject | English | German |
| polygr. | extension of a contract | Vertragsverlängerung |
| econ. | extension of the term of a contract | Vertrags Verlängerung |
| law, ADR | implicit extension of a contract | stillschweigende Verlängerung e-s Vertrages |
| law, ADR | implied extension of the duration or period of a contract | stillschweigende Verlängerung e-s Vertrages |