From here, you can access the BPF Commercial Property Standard Enquiries - CPSE version 2 (except for CPSE.5 - which is still in version 1), and also the relevant explanatory notes.
From June 2, 2010, the CPSEs are available as Version 3 enquiries, although no actual changes have been made to the content of the enquiries.
CPSE.1 – (version 2.9) - general enquiries to be raised in connection with every commercial property transaction.
CPSE.2 – (version 2.2) - additional enquiries to be raised where the purchase is subject to tenancies.
CPSE.3 – (version 2.0) - additional enquiries to be raised where the transaction is the grant of a new lease.
CPSE.4 – (version 2.2) - additional enquiries to be raised where the transaction is the assignment of a lease.
CPSE.5 – (version 1.1) - additional enquiries to be raised where the transaction is an agreement for the surrender of a lease.
Rq-form - (version 2.11) - a short-cut form for raising BPF standard enquiries.
Form Scr - (version 2.0) - solicitor's completion requirements - intended for use after exchange of contracts.
Form Ster - (version 2.2) - solicitor's title and exchange requirements - intended for use at the outset of a transaction.