- WTZ - General Terms and Conditions of Purchase (July 2025) ( NORAM)
- WTZ General Terms and Conditions of Purchase (June 2025) (PT-BR)
- WTZ General Terms and Conditions of Purchase (June 2025) (FR)
- WTZ General Terms and Conditions of Purchase (June 2025) (HU)
- WTZ General Terms and Conditions of Purchase (June 2025) (IT)
- WTZ General Terms and Conditions of Purchase (June 2025) (ES)
