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Discount\u002Fcashback products can also lack a discount\u002Fcashback row (and thus no standard rate) if setup is incomplete.",[450,489,490,491,495],{},"Allowing promotion create in those cases produced hard failures (",[492,493,494],"code",{},"getMaxAllowedRate()"," on a null scheme model) or meaningless rate math.",[474,497,499],{"id":498},"decision-drivers","Decision Drivers",[501,502,503,511,514],"ul",{},[504,505,506,507,510],"li",{},"Promotions only make sense relative to a standard rate (",[492,508,509],{},"standard_rate \u003C promotional_rate \u003C 100",")",[504,512,513],{},"Face-value and incomplete purchase-scheme setup are not promotable states",[504,515,516],{},"Fail early with a clear validation\u002Fdomain error, not a fatal on null",[474,518,520],{"id":519},"considered-options","Considered Options",[522,523,525],"h3",{"id":524},"allow-promotion-create-without-a-standard-rate","Allow promotion create without a standard rate",[450,527,528,529,532],{},"Infer or skip bounds; keep soft fallbacks (e.g. treat missing rate as ",[492,530,531],{},"0",").",[522,534,536],{"id":535},"require-a-purchase-scheme-model-with-a-standard-rate-before-promotion-create","Require a purchase-scheme model with a standard rate before promotion create",[450,538,539],{},"Reject face-value tenants and products without discount\u002Fcashback (and thus without a standard rate).",[474,541,543],{"id":542},"decision-outcome","Decision Outcome",[450,545,546,547,550],{},"Chosen: ",[453,548,549],{},"Do not allow promotions without a standard rate",".",[450,552,553,554,557,558,550],{},"Promotion create requires a discount or cashback purchase-scheme model that can supply the current standard rate and max allowed rate. Face-value products and products missing that model are rejected. ",[466,555,471],{"href":468,"rel":556},[470]," enforces this on Hub promotion store and in ",[492,559,560],{},"Product::getMaxAllowedRate()",[474,562,564],{"id":563},"consequences","Consequences",[522,566,568],{"id":567},"positive","Positive",[501,570,571,574],{},[504,572,573],{},"Invariant always has a real baseline rate to compare against",[504,575,576],{},"Clear product rule for Hub authors and rate-guard callers",[522,578,580],{"id":579},"negative","Negative",[501,582,583],{},[504,584,585],{},"Incomplete product setup must set a standard rate before any promotion can be scheduled",[522,587,589],{"id":588},"neutral","Neutral",[501,591,592,602],{},[504,593,594,595,598,599,510],{},"Rate-guard schedules (",[492,596,597],{},"RateScheduleData",") assume a non-null current standard rate; eligibility stays at the HTTP\u002Fcaller boundary (not inside ",[492,600,601],{},"RateConflictService",[504,603,604],{},"Related: ADR 0003 — standard rates are permanent until overridden",{"title":606,"searchDepth":607,"depth":607,"links":608},"",3,[609,611,612,613,617,618],{"id":476,"depth":610,"text":477},2,{"id":483,"depth":610,"text":484},{"id":498,"depth":610,"text":499},{"id":519,"depth":610,"text":520,"children":614},[615,616],{"id":524,"depth":607,"text":525},{"id":535,"depth":607,"text":536},{"id":542,"depth":610,"text":543},{"id":563,"depth":610,"text":564,"children":619},[620,621,622],{"id":567,"depth":607,"text":568},{"id":579,"depth":607,"text":580},{"id":588,"depth":607,"text":589},{},"Date: 07-08-2026\nAuthor(s): Jayden Vicarey\nSource: Team consensus; implemented in PR #1584 (EM-3902)","md",{},{"title":242,"description":624},"S-wCJlVte6IuC2ZJ6uaJP9YiPo4JyWeNt9rYqNViZJc",[630,631],{"title":238,"path":239,"stem":240,"children":-1},{"title":246,"path":247,"stem":248,"children":-1},1789777548430]