why the shipment does not required signature vs why the shipment does not require signature

Some examples from the web:

• But Boyd blowing up bo's shipment doesn't.
• Based on the expected number of signatories a budget of EUR 2,2 million in the initial year is foreseen (which will be reduced if not all listed countries provide the required signature to join the ERIC).
• The consent to the shipment is thus annulled.
• Manifest claims the shipments were meant for Malaysia.
• The shipment didn't come this week.
• That operation will delay the shipment by weeks.
• Not required to enter into character.
• Residue studies in pet animals are not required.
• Evaluation of pharmacokinetic properties is not required for vaccines.
• Dose adjustment is not required in these circumstances.
• Refrigeration is not required if used within 30 days and stored below 25ºC.
• Routine calcium monitoring during therapy is not required.
• Evaluation of pharmacokinetic studies is not required for vaccines.
• Assessment of switches and crossings layout is not required.
• Widespread intervention in the concerned regions was not required.
• Separate identification not required if function is combined with master lighting switch.
• Metabolic and residue studies are not required.
• Categorisation of foetal alterations is preferable but not required.
• Generally process engineering information is not required.
• Exact confirmation with this schematic drawing is not required.

Some examples from the web:

• Irbesartan does not require metabolic activation for its activity.
• A regulation establishing MRLs does not require transposition into national law in the Member States.
• This Directive does not require collection of new spatial data.
• European legislation does not require that the certificate of conformity remain with the vehicle after registration.
• This service does not require authorisation (route licence).
• Payment of renewal fees is a simple financial transaction that does not require legal representation.
• The planned modification does not require adjustment of the existing authorised discharge limits for gaseous and liquid discharges.
• In any event, such a withdrawal does not require the presence of exceptional circumstances.
• The questionnaire established for this reporting does not require that the competent authorities for hazardous waste be detailed.
• The Council Regulation does not require that this information appears on a certificate.
• Implementation of the thematic instruments does not require agreement from authorities of the third countries.
• Stepping-up inter-governmental cooperation does not require the establishment of new bodies.
• The financial system of EU is still stable and does not require this type of measure .
• The financial system of EU is still stable and does not require this type of measure .
• Therefore, this standard does not require or permit the discounting of deferred tax assets and liabilities.
• Carboxyhemoglobin does not require closer inspection.
• The Ohio Parole Board does not require a prisoner to admit guilt.
• Tabling does not require a vote.
• 23/ 24 This medicinal product does not require any special storage conditions.
• Xagrid does not require any special storage conditions within European countries.