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The ALMA Director solicits proposals for observing time with the Atacama Large Millimeter/submm Array. The solicitations are currently for the Early Science phase. The solicitation is done through a Call for Proposals, announced in this section of the ALMA Science Portal. Supporting documents and associated software is made available to the community at the time of the call.

A new feature introduced at the start of the ongoing cycle (Cycle 1) is proposals for Director's Discretionary Time (DDT). This type of proposal must currently be submitted using the Cycle 1 version of the ALMA Observing Tool available through the  DDT proposal page.