When the job is completed, the Crew Leader will ask you to confirm your satisfaction. Please only say yes, once you are satisfied that all items are completed. Please raise any queries with the Crew Leader before signing the job off. All contracts and instructions are accepted on the basis of payment of full invoice price on receipt of invoice. Unless other terms have been agreed in writing. Amendments to the contract must be made in writing. Any complaints, which may arise from work performed under any contract, arising from acceptance of the estimate must be made within the period of 7 days from the date of invoice, unless agreed in writing to the contrary. All invoices are due for payment by return. Any invoice outstanding beyond this period will be referred to Daniels Silverman Limited and will be subject to a surcharge of 15% plus any administration fees involved in the collection of the invoice. This surcharge together with all other charges and legal fees incurred will be the responsibility of the Customer and will be legally enforceable