CollecTin may, from time to time and without notice, change the Specification Document in order to comply with any applicable safety or statutory requirements, provided that such changes do not materially affect the nature, scope of, or the Price, for the Deliverables. 7.2 The parties may at any time mutually agree upon and execute new Specification Documents. Any alterations in the scope of Deliverables to be provided under the Contract shall be set out in the Specification Document, which shall reflect the changed Deliverables and Price and any other terms agreed between the parties.  7.3 The Customer may at any time request alterations to the Specification Document by notice in writing to CollecTin. On receipt of the request for alterations CollecTin shall, within five Business Days or such other period as may be agreed by the parties, advise the Customer by notice in writing of the effect of such alterations, if any, on the price and any other terms already agreed between the parties.  7.4 Where CollecTin gives written notice to the Customer agreeing to perform any alterations on terms different to those already agreed between the parties, the Customer shall, within five Business Days of receipt of such notice or such other period as may be agreed between the parties, advise CollecTin by notice in writing whether or not it wishes the alterations to proceed.  7.5 Where CollecTin gives written notice to the Customer agreeing to perform alterations on terms different to those already agreed between the parties, and the Customer confirms in writing that it wishes the alterations to proceed on those terms, the Specification Document shall be amended to reflect such alterations and thereafter CollecTin shall perform its obligations under the Contract upon the basis of such amended terms.  7.6 CollecTin may charge for the time it spends on preparing and negotiating changes to the Specification Documents proposed by the Customer pursuant to Condition 7.3 at CollecTin' standard daily rates then in force.