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# IB20.TRANSFER_SENDER_POLICY

> Generated B20 reference for TRANSFER_SENDER_POLICY().

## Signature

```solidity theme={null}
function TRANSFER_SENDER_POLICY() external view returns (bytes32);
```

| Field               | Value                      |
| ------------------- | -------------------------- |
| Selector            | `0xd116fc21`               |
| Canonical signature | `TRANSFER_SENDER_POLICY()` |

## Description

Policy slot consulted against `from` on every transfer (including `transferFrom`).

Bypassed for factory-originated calls during the creation (bootstrap) window; see `IB20Factory.createB20`.

## Returns

Policy scope constant.

## Access control

Read-only or ERC-20-standard access rules unless the NatSpec states otherwise.

## Policy interaction

No direct policy interaction.

## Example

```solidity theme={null}
IB20(target).TRANSFER_SENDER_POLICY();
```