diff --git a/configs/mainnet.yaml b/configs/mainnet.yaml
index e3bcc3abcea..dcc9fc11deb 100644
--- a/configs/mainnet.yaml
+++ b/configs/mainnet.yaml
@@ -99,6 +99,8 @@ SYNC_MESSAGE_DUE_BPS_GLOAS: 2500
 # 5000 basis points, 50% of SLOT_DURATION_MS
 CONTRIBUTION_DUE_BPS_GLOAS: 5000
 # 7500 basis points, 75% of SLOT_DURATION_MS
+PAYLOAD_DUE_BPS: 7500
+# 7500 basis points, 75% of SLOT_DURATION_MS
 PAYLOAD_ATTESTATION_DUE_BPS: 7500
 
 # Heze
diff --git a/configs/minimal.yaml b/configs/minimal.yaml
index 64126fdda31..52dba704666 100644
--- a/configs/minimal.yaml
+++ b/configs/minimal.yaml
@@ -95,6 +95,8 @@ SYNC_MESSAGE_DUE_BPS_GLOAS: 2500
 # 5000 basis points, 50% of SLOT_DURATION_MS
 CONTRIBUTION_DUE_BPS_GLOAS: 5000
 # 7500 basis points, 75% of SLOT_DURATION_MS
+PAYLOAD_DUE_BPS: 7500
+# 7500 basis points, 75% of SLOT_DURATION_MS
 PAYLOAD_ATTESTATION_DUE_BPS: 7500
 
 # Heze
diff --git a/specs/gloas/fork-choice.md b/specs/gloas/fork-choice.md
index f526a5551ea..c2ba6d2ea67 100644
--- a/specs/gloas/fork-choice.md
+++ b/specs/gloas/fork-choice.md
@@ -45,6 +45,7 @@
   - [Modified `get_aggregate_due_ms`](#modified-get_aggregate_due_ms)
   - [Modified `get_sync_message_due_ms`](#modified-get_sync_message_due_ms)
   - [Modified `get_contribution_due_ms`](#modified-get_contribution_due_ms)
+  - [New `get_payload_due_ms`](#new-get_payload_due_ms)
   - [New `get_payload_attestation_due_ms`](#new-get_payload_attestation_due_ms)
   - [New `verify_execution_payload_envelope_signature`](#new-verify_execution_payload_envelope_signature)
   - [New `verify_execution_payload_envelope`](#new-verify_execution_payload_envelope)
@@ -781,6 +782,13 @@ def get_contribution_due_ms() -> uint64:
     return get_slot_component_duration_ms(CONTRIBUTION_DUE_BPS_GLOAS)
 ```
 
+### New `get_payload_due_ms`
+
+```python
+def get_payload_due_ms() -> uint64:
+    return get_slot_component_duration_ms(PAYLOAD_DUE_BPS)
+```
+
 ### New `get_payload_attestation_due_ms`
 
 ```python
diff --git a/specs/gloas/validator.md b/specs/gloas/validator.md
index c5f7b574304..18ef666c0d8 100644
--- a/specs/gloas/validator.md
+++ b/specs/gloas/validator.md
@@ -43,6 +43,7 @@ validator" to implement Gloas.
 | `AGGREGATE_DUE_BPS_GLOAS`     | `uint64(5000)` | basis points | 50% of `SLOT_DURATION_MS` |
 | `SYNC_MESSAGE_DUE_BPS_GLOAS`  | `uint64(2500)` | basis points | 25% of `SLOT_DURATION_MS` |
 | `CONTRIBUTION_DUE_BPS_GLOAS`  | `uint64(5000)` | basis points | 50% of `SLOT_DURATION_MS` |
+| `PAYLOAD_DUE_BPS`             | `uint64(7500)` | basis points | 75% of `SLOT_DURATION_MS` |
 | `PAYLOAD_ATTESTATION_DUE_BPS` | `uint64(7500)` | basis points | 75% of `SLOT_DURATION_MS` |
 
 ## Validator assignment
@@ -334,8 +335,9 @@ The validator creates `payload_attestation_message` as follows:
   for the assigned slot.
 - Set `data.slot` to be the assigned slot.
 - If a previously seen `SignedExecutionPayloadEnvelope` references the block
-  with root `data.beacon_block_root`, set `data.payload_present` to `True`;
-  otherwise, set `data.payload_present` to `False`.
+  with root `data.beacon_block_root`, and it was seen before
+  `get_payload_due_ms()` milliseconds into the slot, set `data.payload_present`
+  to `True`; otherwise, set `data.payload_present` to `False`.
 - Set `data.blob_data_available` to `is_data_available(data.beacon_block_root)`.
 - Set `payload_attestation_message.validator_index = validator_index` where
   `validator_index` is the validator chosen to submit. The private key mapping