Require stamping manifests. (#24973)

* Require stamping manifests.

* M

code/modules/shuttle/supply.dm

@@ -490,6 +490,22 @@
 
 	var/obj/item/paper/manifest/slip = AM
 
+	var/error = FALSE
+	if(/obj/item/stamp/denied in slip.stamped)
+		error = "Package [slip.ordernumber] rejected. A Nanotrasen supply department official will reach out to you in 2-3 business days."
+		SSblackbox.record_feedback("tally", "cargo manifests rejected", 1, "amount")
+	else if(!(/obj/item/stamp/granted in slip.stamped))
+		error = "Received unstamped manifest for package [slip.ordernumber]. Remember to stamp all manifests before returning them."
+		SSblackbox.record_feedback("tally", "cargo manifests not stamped", 1, "amount")
+
+	if(error)
+		var/datum/economy/line_item/item = new
+		item.account = SSeconomy.cargo_account
+		item.credits = 0
+		item.reason = error
+		manifest.line_items += item
+		return
+
 	var/datum/economy/line_item/item = new
 	item.account = SSeconomy.cargo_account
 	item.credits = SSeconomy.credits_per_manifest