diff --git a/modules/purchase_trade/docs/business/fees.en.md b/modules/purchase_trade/docs/business/fees.en.md
index 32462ab..3132e06 100644
--- a/modules/purchase_trade/docs/business/fees.en.md
+++ b/modules/purchase_trade/docs/business/fees.en.md
@@ -354,6 +354,21 @@ Percentage financial fees are calculated with the financing delta from the
 </li>
 </ul>
 
+### Known Gap
+
+<ul style="margin:0.65rem 0 1rem 1.1rem; padding-left:1rem; list-style-type:disc;">
+<li style="margin:0.38rem 0;">Lot split / merge:
+<ul style="margin:0.65rem 0 1rem 1.35rem; padding-left:1rem; list-style-type:circle;">
+<li style="margin:0.38rem 0;">the workflow may clone or create physical lots;
+</li>
+<li style="margin:0.38rem 0;">rewiring <code>fee.lots</code> to the new lots is not guaranteed yet;
+</li>
+<li style="margin:0.38rem 0;">affected fees must therefore be checked with the SQL diagnostic after this workflow is used.
+</li>
+</ul>
+</li>
+</ul>
+
 ### SQL Diagnostic
 
 <ul style="margin:0.65rem 0 1rem 1.1rem; padding-left:1rem; list-style-type:disc;">
diff --git a/modules/purchase_trade/docs/business/fees.md b/modules/purchase_trade/docs/business/fees.md
index ba09536..c48c44e 100644
--- a/modules/purchase_trade/docs/business/fees.md
+++ b/modules/purchase_trade/docs/business/fees.md
@@ -354,6 +354,21 @@ de la ligne d'estimation `BL date`, pas avec la date du jour.
 </li>
 </ul>
 
+### Gap connu
+
+<ul style="margin:0.65rem 0 1rem 1.1rem; padding-left:1rem; list-style-type:disc;">
+<li style="margin:0.38rem 0;">Split / merge de lots :
+<ul style="margin:0.65rem 0 1rem 1.35rem; padding-left:1rem; list-style-type:circle;">
+<li style="margin:0.38rem 0;">le flux peut cloner ou créer des lots physiques ;
+</li>
+<li style="margin:0.38rem 0;">le recâblage de <code>fee.lots</code> vers les nouveaux lots n&#x27;est pas encore garanti ;
+</li>
+<li style="margin:0.38rem 0;">les fees concernés doivent donc être contrôlés par le diagnostic SQL après utilisation de ce flux.
+</li>
+</ul>
+</li>
+</ul>
+
 ### Diagnostic SQL
 
 <ul style="margin:0.65rem 0 1rem 1.1rem; padding-left:1rem; list-style-type:disc;">
diff --git a/modules/purchase_trade/docs_source/business/fees.en.md b/modules/purchase_trade/docs_source/business/fees.en.md
index 841f199..323a8f3 100644
--- a/modules/purchase_trade/docs_source/business/fees.en.md
+++ b/modules/purchase_trade/docs_source/business/fees.en.md
@@ -173,6 +173,14 @@ Percentage financial fees are calculated with the financing delta from the
 - Exception:
   - `mode = ppack` is not controlled as weight.
 
+### Known Gap
+
+- Lot split / merge:
+  - the workflow may clone or create physical lots;
+  - rewiring `fee.lots` to the new lots is not guaranteed yet;
+  - affected fees must therefore be checked with the SQL diagnostic after this
+    workflow is used.
+
 ### SQL Diagnostic
 
 - Script:
diff --git a/modules/purchase_trade/docs_source/business/fees.md b/modules/purchase_trade/docs_source/business/fees.md
index e6a824e..fedac7b 100644
--- a/modules/purchase_trade/docs_source/business/fees.md
+++ b/modules/purchase_trade/docs_source/business/fees.md
@@ -173,6 +173,14 @@ de la ligne d'estimation `BL date`, pas avec la date du jour.
 - Exception :
   - `mode = ppack` n'est pas contrôlé comme un poids.
 
+### Gap connu
+
+- Split / merge de lots :
+  - le flux peut cloner ou créer des lots physiques ;
+  - le recâblage de `fee.lots` vers les nouveaux lots n'est pas encore garanti ;
+  - les fees concernés doivent donc être contrôlés par le diagnostic SQL après
+    utilisation de ce flux.
+
 ### Diagnostic SQL
 
 - Script :