Link same item from different lists with a different ID

Hello everyone,

I would link an item here purchase requisition list (with its SP ID system, created automatically) :

with this ID (kept back on my own, by using power automate) :

My problematic is : I would like a button into my display form (purchase requisition list) with a redirect url link to purchase requisition modification list / edit form.

My point is purchase requisition list is protected with special users rights, however I would like to modify/edit some info, so I've created an other list (purchase requisition modification) to make it possible.

Did anybody have any idea please ?

Dear @lolopixxx,
You can use a lookup field in read-only mode, maybe? This way - you can run a flow that will create a duplicate item in purchase requisition modification, and the lookup field in purchase requisition can be populated with item ID, when the item is created.

Would this work for you?