MO SB846

Defines bed bug infestation and control procedures, with control deemed complete when no bed bug activity is evident for 50 days after last treatment

Requires landlords to use reasonable efforts to maintain multifamily properties free of bed bugs and inspect units within 7 days of receiving written tenant notice of suspected infestation

Mandates landlords begin controlling confirmed bed bug infestations within 14 days and notify surrounding units; must provide 24 hours written notice before accessing units for inspection or control

Shields landlords from liability for bed bug damages except in cases of gross negligence, unless landlord fails to inspect or obstructs pest control professional's work

Requires tenants to notify landlords in writing within 48 hours of discovering or suspecting bed bugs and to grant access for inspection and control; failure to report within 7 days of move-in constitutes acceptance that unit is bed bug free, and unreported infestations may result in tenant liability for treatment costs