Lock-in of pre-issue capital: non-promoter holdings restricted for one year from IPO allotment, with limited exceptions. The regulation requires lock-in of the entire pre-issue capital held by persons other than promoters for one year from IPO allotment, subject to exceptions for equity allotted under employee share schemes and transfers by employee stock option trusts (subject to applicable share based employee benefits lock-in), and for equity held by venture capital funds, specified AIFs or foreign venture capital investors which are locked in for one year from purchase; conversion of compulsorily convertible securities aggregates holding periods for this computation and bonus shares pursuant to employee allocations are included.