What he can do is detailed in clauses 62.3 and 62.4.
If he has not done so, you should request that he does.
If you don't agree with his reasons you have the option to re-issue the same quote.
I can't understand what the Project Manager may get from simply re-instructing you to issue a quote for the same work.
If it's an instruction under clause 62.1 he his simply delaying the date that the work can start.
If it's an instruction under clause 61.1 then you are already progressing the work and this new notification won't change the switch date between actual cost and forecast cost in the quotation because that is based on the original date of the instruction, as detailed in clause 63.1.
I've made every effort to answer the questions you've asked based on the information provided. But, if I've missed the point, or not answered your question fully, please don't hesitate to ask for further information.
If he has not done so, you should request that he does.
If you don't agree with his reasons you have the option to re-issue the same quote.
I can't understand what the Project Manager may get from simply re-instructing you to issue a quote for the same work.
If it's an instruction under clause 62.1 he his simply delaying the date that the work can start.
If it's an instruction under clause 61.1 then you are already progressing the work and this new notification won't change the switch date between actual cost and forecast cost in the quotation because that is based on the original date of the instruction, as detailed in clause 63.1.
I've made every effort to answer the questions you've asked based on the information provided. But, if I've missed the point, or not answered your question fully, please don't hesitate to ask for further information.