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