- Date of agreement
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- Place where contract is signed
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- Customer (owner) full name
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- Customer nationality
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- Customer ID card / passport number
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- Customer passport expiry date
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- Customer date of birth
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- Customer address
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- Contractor / company name
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- Contractor registration number
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- Contractor tax ID / VAT registration number
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- Contractor registered address
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- Site title deed number
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- Site location
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- Construction permit number
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- Works (storeys, bedrooms, floor area)
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- Purpose / intended use of the building
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- Start date
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- Completion date
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- Fixed contract price incl. VAT (THB)
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- Price is inclusive of VAT (7%)?
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- VAT amount (THB)
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- Advance payment percentage (cap ~15%)
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- Who pays stamp duty (0.1%)
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- Retention (% held until defects period ends)
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- Liquidated delay penalty per day (THB)
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- Structural warranty (years, min 5)
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- Non-structural warranty (years, min 1)
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- Dispute resolution venue
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- Prevailing language
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- Witness 1 full name
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- Witness 2 full name
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