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Standard Supplier Information


Invoice Regulations

Creditor Payment Methods

Commercial Transactions Payment Period (PDF)

Below are sample letters issued to Trinity suppliers in relation to specific statutory legal requirements.

New Supplier Communication Letter (PDF)

Letter to Suppliers with no valid Purchase Order Number (PDF)

Tax Clearance Letter (PDF)

Withholding Tax Letter (Irish) (PDF)

Withholding Tax Letter (Foreign) (PDF)

Below are relevant links to the Irish Revenue website.

Tax Clearance Certificate Application Form (PDF)

Non Resident Company IC11 (PDF)

Non Resident PSWT Questionnaire (PDF)


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Last updated: Jan 25 2018.