The maximum weight in Mb per packet of transfer information is 700 Mb. However, in order not to have performance problems, some limits have been established depending on the type of operation that is used from the input web service or from the reference web.
The following table shows the established limits:
| Type or modality of entry | Maximum weight allowed |
| For the reference website | 700 Mb |
| By WS (PIT entry with documents in B64. Online modality) | 5 Mb |
| By WS (PIT entry with references to documents located in a ZIP file. Online modality) | 10 Mb |
| By WS (PIT entry with documents in B64. Offline modality) | 50 Mb |
| By WS (PIT entry with references to documents located in a ZIP file. Offline mode) | 200 Mb |
| By WS (PIT entry with references to documents previously sent to a direct upload service) | 700 Mb |